BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B
401k plan membership statisitcs for COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B
| Measure | Date | Value |
|---|
| 2023 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $29,297,721 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $29,297,721 |
| Total transfer of assets to this plan | 2023-12-31 | $16,964,099 |
| Total transfer of assets from this plan | 2023-12-31 | $145,002,444 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $5,376,458 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $3,022,818 |
| Total income from all sources (including contributions) | 2023-12-31 | $30,606,328 |
| Total loss/gain on sale of assets | 2023-12-31 | $-16,651,483 |
| Total of all expenses incurred | 2023-12-31 | $131,577 |
| Value of total assets at end of year | 2023-12-31 | $592,842,091 |
| Value of total assets at beginning of year | 2023-12-31 | $688,052,045 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $131,577 |
| Total interest from all sources | 2023-12-31 | $17,960,090 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $6,496,780 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $3,076,745 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $5,376,458 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $3,022,818 |
| Administrative expenses (other) incurred | 2023-12-31 | $3,300 |
| Value of net income/loss | 2023-12-31 | $30,474,751 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $587,465,633 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $685,029,227 |
| Investment advisory and management fees | 2023-12-31 | $107,943 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $17,864,334 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $956,391 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $2,982,659 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $2,982,659 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $95,756 |
| Asset value of US Government securities at end of year | 2023-12-31 | $286,051,740 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $313,724,428 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $299,337,180 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $368,268,213 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $227,508,000 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $244,159,483 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $29,297,721 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $29,297,721 |
| Total transfer of assets to this plan | 2023-01-01 | $16,964,099 |
| Total transfer of assets from this plan | 2023-01-01 | $145,002,444 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $5,376,458 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $3,022,818 |
| Total income from all sources (including contributions) | 2023-01-01 | $30,606,328 |
| Total loss/gain on sale of assets | 2023-01-01 | $-16,651,483 |
| Total of all expenses incurred | 2023-01-01 | $131,577 |
| Value of total assets at end of year | 2023-01-01 | $592,842,091 |
| Value of total assets at beginning of year | 2023-01-01 | $688,052,045 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $131,577 |
| Total interest from all sources | 2023-01-01 | $17,960,090 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $6,496,780 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $3,076,745 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $5,376,458 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $3,022,818 |
| Administrative expenses (other) incurred | 2023-01-01 | $3,300 |
| Value of net income/loss | 2023-01-01 | $30,474,751 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $587,465,633 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $685,029,227 |
| Investment advisory and management fees | 2023-01-01 | $107,943 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $17,864,334 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $956,391 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $95,756 |
| Asset value of US Government securities at end of year | 2023-01-01 | $286,051,740 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $313,724,428 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $299,337,180 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $368,268,213 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $227,508,000 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $244,159,483 |
| 2022 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-102,097,280 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-102,097,280 |
| Total transfer of assets to this plan | 2022-12-31 | $41,933,540 |
| Total transfer of assets from this plan | 2022-12-31 | $165,293,470 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $3,022,818 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $9,808,747 |
| Total income from all sources (including contributions) | 2022-12-31 | $-95,173,517 |
| Total loss/gain on sale of assets | 2022-12-31 | $-11,913,359 |
| Total of all expenses incurred | 2022-12-31 | $133,870 |
| Value of total assets at end of year | 2022-12-31 | $688,052,045 |
| Value of total assets at beginning of year | 2022-12-31 | $913,505,291 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $133,870 |
| Total interest from all sources | 2022-12-31 | $18,837,122 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Administrative expenses professional fees incurred | 2022-12-31 | $19,876 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $3,076,745 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $11,314,467 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $3,022,818 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $9,808,747 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,300 |
| Value of net income/loss | 2022-12-31 | $-95,307,387 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $685,029,227 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $903,696,544 |
| Investment advisory and management fees | 2022-12-31 | $110,694 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $18,782,524 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $2,982,659 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $3,153,381 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $3,153,381 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $54,598 |
| Asset value of US Government securities at end of year | 2022-12-31 | $313,724,428 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $400,398,048 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $368,268,213 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $498,639,395 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $249,949,234 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $261,862,593 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-102,097,280 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-102,097,280 |
| Total transfer of assets to this plan | 2022-01-01 | $41,933,540 |
| Total transfer of assets from this plan | 2022-01-01 | $165,293,470 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $3,022,818 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $9,808,747 |
| Total income from all sources (including contributions) | 2022-01-01 | $-95,173,517 |
| Total loss/gain on sale of assets | 2022-01-01 | $-11,913,359 |
| Total of all expenses incurred | 2022-01-01 | $133,870 |
| Value of total assets at end of year | 2022-01-01 | $688,052,045 |
| Value of total assets at beginning of year | 2022-01-01 | $913,505,291 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $133,870 |
| Total interest from all sources | 2022-01-01 | $18,837,122 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Administrative expenses professional fees incurred | 2022-01-01 | $19,876 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $3,076,745 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $11,314,467 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $3,022,818 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $9,808,747 |
| Administrative expenses (other) incurred | 2022-01-01 | $3,300 |
| Value of net income/loss | 2022-01-01 | $-95,307,387 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $685,029,227 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $903,696,544 |
| Investment advisory and management fees | 2022-01-01 | $110,694 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $18,782,524 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $2,982,659 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $54,598 |
| Asset value of US Government securities at end of year | 2022-01-01 | $313,724,428 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $400,398,048 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $368,268,213 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $498,639,395 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $249,949,234 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $261,862,593 |
| 2021 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-42,617,471 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-42,617,471 |
| Total transfer of assets to this plan | 2021-12-31 | $291,113,323 |
| Total transfer of assets from this plan | 2021-12-31 | $325,507,992 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $9,808,747 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $87,380,373 |
| Total income from all sources (including contributions) | 2021-12-31 | $-13,589,524 |
| Total loss/gain on sale of assets | 2021-12-31 | $7,857,750 |
| Total of all expenses incurred | 2021-12-31 | $119,045 |
| Value of total assets at end of year | 2021-12-31 | $913,505,291 |
| Value of total assets at beginning of year | 2021-12-31 | $1,039,180,155 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $119,045 |
| Total interest from all sources | 2021-12-31 | $21,170,197 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Administrative expenses professional fees incurred | 2021-12-31 | $17,176 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $11,314,467 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $92,189,762 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $9,808,747 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $87,380,373 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,300 |
| Value of net income/loss | 2021-12-31 | $-13,708,569 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $903,696,544 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $951,799,782 |
| Investment advisory and management fees | 2021-12-31 | $98,569 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $21,161,689 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $3,153,381 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $3,712,537 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $3,712,537 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $8,508 |
| Asset value of US Government securities at end of year | 2021-12-31 | $400,398,048 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $411,538,173 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $498,639,395 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $531,739,683 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $491,659,192 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $483,801,442 |
| 2020 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $33,642,106 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $33,642,106 |
| Total transfer of assets to this plan | 2020-12-31 | $324,408,335 |
| Total transfer of assets from this plan | 2020-12-31 | $171,168,309 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $87,380,373 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $7,765,398 |
| Total income from all sources (including contributions) | 2020-12-31 | $59,695,763 |
| Total loss/gain on sale of assets | 2020-12-31 | $4,735,428 |
| Total of all expenses incurred | 2020-12-31 | $113,294 |
| Value of total assets at end of year | 2020-12-31 | $1,039,180,155 |
| Value of total assets at beginning of year | 2020-12-31 | $746,742,685 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $113,294 |
| Total interest from all sources | 2020-12-31 | $21,318,229 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Administrative expenses professional fees incurred | 2020-12-31 | $17,390 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $92,189,762 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $8,433,701 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $87,380,373 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $7,765,398 |
| Administrative expenses (other) incurred | 2020-12-31 | $790 |
| Value of net income/loss | 2020-12-31 | $59,582,469 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $951,799,782 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $738,977,287 |
| Investment advisory and management fees | 2020-12-31 | $95,114 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $21,304,086 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $3,712,537 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $2,849,059 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $2,849,059 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $14,143 |
| Asset value of US Government securities at end of year | 2020-12-31 | $411,538,173 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $291,999,466 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $531,739,683 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $443,460,459 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $271,378,327 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $266,642,899 |
| 2019 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $32,218,362 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $32,218,362 |
| Total transfer of assets to this plan | 2019-12-31 | $199,822,301 |
| Total transfer of assets from this plan | 2019-12-31 | $195,252,195 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $7,765,398 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $8,487,066 |
| Total income from all sources (including contributions) | 2019-12-31 | $56,004,169 |
| Total loss/gain on sale of assets | 2019-12-31 | $750,482 |
| Total of all expenses incurred | 2019-12-31 | $86,600 |
| Value of total assets at end of year | 2019-12-31 | $746,742,685 |
| Value of total assets at beginning of year | 2019-12-31 | $686,976,678 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $86,600 |
| Total interest from all sources | 2019-12-31 | $23,035,325 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Administrative expenses professional fees incurred | 2019-12-31 | $20,728 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $8,433,701 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $7,069,554 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $7,765,398 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $8,487,066 |
| Value of net income/loss | 2019-12-31 | $55,917,569 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $738,977,287 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $678,489,612 |
| Investment advisory and management fees | 2019-12-31 | $65,872 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $22,994,834 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $2,849,059 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $3,715,165 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $3,715,165 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $40,491 |
| Asset value of US Government securities at end of year | 2019-12-31 | $291,999,466 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $263,863,894 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $443,460,459 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $412,328,065 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $235,360,082 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $234,609,600 |
| 2018 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-11,727,368 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-11,727,368 |
| Total transfer of assets to this plan | 2018-12-31 | $142,494,075 |
| Total transfer of assets from this plan | 2018-12-31 | $39,437,743 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $8,487,066 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $7,213,228 |
| Total income from all sources (including contributions) | 2018-12-31 | $6,201,495 |
| Total loss/gain on sale of assets | 2018-12-31 | $-1,458,662 |
| Total of all expenses incurred | 2018-12-31 | $95,989 |
| Value of total assets at end of year | 2018-12-31 | $686,976,678 |
| Value of total assets at beginning of year | 2018-12-31 | $576,541,002 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $95,989 |
| Total interest from all sources | 2018-12-31 | $19,387,525 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Administrative expenses professional fees incurred | 2018-12-31 | $20,937 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $7,069,554 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $4,682,251 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $8,487,066 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $7,213,228 |
| Administrative expenses (other) incurred | 2018-12-31 | $-77 |
| Value of net income/loss | 2018-12-31 | $6,105,506 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $678,489,612 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $569,327,774 |
| Investment advisory and management fees | 2018-12-31 | $75,129 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $19,343,452 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $3,715,165 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $4,180,332 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $4,180,332 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $44,073 |
| Asset value of US Government securities at end of year | 2018-12-31 | $263,863,894 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $412,328,065 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $567,678,419 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $77,087,143 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $78,545,805 |
| 2017 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $608,639 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $608,639 |
| Total transfer of assets to this plan | 2017-12-31 | $146,130,391 |
| Total transfer of assets from this plan | 2017-12-31 | $21,322,482 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $7,213,228 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $3,922,482 |
| Total income from all sources (including contributions) | 2017-12-31 | $14,635,144 |
| Total loss/gain on sale of assets | 2017-12-31 | $-137,319 |
| Total of all expenses incurred | 2017-12-31 | $97,636 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $576,541,002 |
| Value of total assets at beginning of year | 2017-12-31 | $433,904,839 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $97,636 |
| Total interest from all sources | 2017-12-31 | $14,163,824 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $20,967 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $4,682,251 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $1,916,467 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $7,213,228 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $3,922,482 |
| Value of net income/loss | 2017-12-31 | $14,537,508 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $569,327,774 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $429,982,357 |
| Investment advisory and management fees | 2017-12-31 | $76,669 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $14,136,182 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $4,180,332 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $3,295,646 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $3,295,646 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $27,642 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $567,678,419 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $428,692,726 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $58,418,754 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $58,556,073 |
| 2016 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-679,494 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-679,494 |
| Total transfer of assets to this plan | 2016-12-31 | $61,033,906 |
| Total transfer of assets from this plan | 2016-12-31 | $46,468,460 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $3,922,482 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $7,027,665 |
| Total income from all sources (including contributions) | 2016-12-31 | $12,626,742 |
| Total loss/gain on sale of assets | 2016-12-31 | $468,286 |
| Total of all expenses incurred | 2016-12-31 | $96,106 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $433,904,839 |
| Value of total assets at beginning of year | 2016-12-31 | $409,913,940 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $96,106 |
| Total interest from all sources | 2016-12-31 | $12,837,950 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $21,510 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $1,916,467 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $4,295,104 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $3,922,482 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $7,027,665 |
| Administrative expenses (other) incurred | 2016-12-31 | $-242 |
| Value of net income/loss | 2016-12-31 | $12,530,636 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $429,982,357 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $402,886,275 |
| Investment advisory and management fees | 2016-12-31 | $74,838 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $12,830,237 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $3,295,646 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $4,386,735 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $4,386,735 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $7,713 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $428,692,726 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $401,232,101 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $111,827,068 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $111,358,782 |
| 2015 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-12,161,922 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-12,161,922 |
| Total transfer of assets to this plan | 2015-12-31 | $63,463,279 |
| Total transfer of assets from this plan | 2015-12-31 | $66,999,205 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $7,027,665 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $5,931,001 |
| Total income from all sources (including contributions) | 2015-12-31 | $3,353,284 |
| Total loss/gain on sale of assets | 2015-12-31 | $711,401 |
| Total of all expenses incurred | 2015-12-31 | $95,556 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $0 |
| Value of total assets at end of year | 2015-12-31 | $409,913,940 |
| Value of total assets at beginning of year | 2015-12-31 | $409,095,474 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $95,556 |
| Total interest from all sources | 2015-12-31 | $14,803,805 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $21,510 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $4,295,104 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $6,341,162 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $7,027,665 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $5,931,001 |
| Value of net income/loss | 2015-12-31 | $3,257,728 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $402,886,275 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $403,164,473 |
| Investment advisory and management fees | 2015-12-31 | $74,046 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $14,803,805 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $4,386,735 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $3,208,489 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $3,208,489 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $401,232,101 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $399,545,823 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $119,611,829 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $118,900,428 |
| 2014 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $-4,873,173 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $-4,873,173 |
| Total transfer of assets to this plan | 2014-12-31 | $124,784,062 |
| Total transfer of assets from this plan | 2014-12-31 | $47,722,169 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $5,931,001 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,042,470 |
| Total income from all sources (including contributions) | 2014-12-31 | $12,778,933 |
| Total loss/gain on sale of assets | 2014-12-31 | $3,091,493 |
| Total of all expenses incurred | 2014-12-31 | $89,784 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $409,095,474 |
| Value of total assets at beginning of year | 2014-12-31 | $314,455,901 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $89,784 |
| Total interest from all sources | 2014-12-31 | $14,560,613 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $21,230 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $6,341,162 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $2,917,752 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $5,931,001 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $1,042,470 |
| Administrative expenses (other) incurred | 2014-12-31 | $-2,668 |
| Value of net income/loss | 2014-12-31 | $12,689,149 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $403,164,473 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $313,413,431 |
| Investment advisory and management fees | 2014-12-31 | $71,222 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $14,560,613 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $3,208,489 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $1,162,935 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $1,162,935 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $399,545,823 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $310,375,214 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $152,820,802 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $149,729,309 |
| 2013 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-21,487,770 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-21,487,770 |
| Total transfer of assets to this plan | 2013-12-31 | $37,488,862 |
| Total transfer of assets from this plan | 2013-12-31 | $104,006,177 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,042,470 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $2,723,313 |
| Total income from all sources (including contributions) | 2013-12-31 | $-522,033 |
| Total loss/gain on sale of assets | 2013-12-31 | $5,325,180 |
| Total of all expenses incurred | 2013-12-31 | $88,397 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $314,455,901 |
| Value of total assets at beginning of year | 2013-12-31 | $383,264,489 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $88,397 |
| Total interest from all sources | 2013-12-31 | $15,640,557 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $22,300 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $2,917,752 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $1,614,973 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $1,042,470 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $2,723,313 |
| Administrative expenses (other) incurred | 2013-12-31 | $-4,224 |
| Value of net income/loss | 2013-12-31 | $-610,430 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $313,413,431 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $380,541,176 |
| Investment advisory and management fees | 2013-12-31 | $70,321 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $15,640,557 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $1,162,935 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $2,809,293 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $2,809,293 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $310,375,214 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $378,840,223 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $122,466,436 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $117,141,256 |
| 2012 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $10,777,223 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $10,777,223 |
| Total transfer of assets to this plan | 2012-12-31 | $36,096,876 |
| Total transfer of assets from this plan | 2012-12-31 | $148,631,718 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $2,723,313 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $6,666,728 |
| Total income from all sources (including contributions) | 2012-12-31 | $39,638,823 |
| Total loss/gain on sale of assets | 2012-12-31 | $6,540,533 |
| Total of all expenses incurred | 2012-12-31 | $97,857 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $383,264,489 |
| Value of total assets at beginning of year | 2012-12-31 | $460,201,780 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $97,857 |
| Total interest from all sources | 2012-12-31 | $22,321,067 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $20,800 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $1,614,973 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $6,769,201 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $2,723,313 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $6,666,728 |
| Administrative expenses (other) incurred | 2012-12-31 | $-35 |
| Value of net income/loss | 2012-12-31 | $39,540,966 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $380,541,176 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $453,535,052 |
| Investment advisory and management fees | 2012-12-31 | $77,092 |
| Income. Interest from corporate debt instruments | 2012-12-31 | $22,321,067 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $2,809,293 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $884,217 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $884,217 |
| Asset. Corporate debt instrument debt (other) at end of year | 2012-12-31 | $378,840,223 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2012-12-31 | $452,548,362 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $162,338,379 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $155,797,846 |
| 2011 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-58,191,727 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-58,191,727 |
| Total transfer of assets to this plan | 2011-12-31 | $146,751,314 |
| Total transfer of assets from this plan | 2011-12-31 | $1,173,967,260 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $6,666,728 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $131,974,088 |
| Total income from all sources (including contributions) | 2011-12-31 | $49,924,749 |
| Total loss/gain on sale of assets | 2011-12-31 | $47,661,438 |
| Total of all expenses incurred | 2011-12-31 | $132,725 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $460,201,780 |
| Value of total assets at beginning of year | 2011-12-31 | $1,562,933,062 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $132,725 |
| Total interest from all sources | 2011-12-31 | $60,455,038 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $23,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $6,769,201 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $22,911,092 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $6,666,728 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $131,974,088 |
| Value of net income/loss | 2011-12-31 | $49,792,024 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $453,535,052 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,430,958,974 |
| Investment advisory and management fees | 2011-12-31 | $108,915 |
| Income. Interest from corporate debt instruments | 2011-12-31 | $60,455,038 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $884,217 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $10,785,543 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $10,785,543 |
| Asset. Corporate debt instrument debt (other) at end of year | 2011-12-31 | $452,548,362 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2011-12-31 | $1,529,236,427 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $1,340,435,071 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $1,292,773,633 |
| 2010 : COMMERCIAL MORTGAGE-BACKED SECURITIES INDEX FUND B 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $224,094,427 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $224,094,427 |
| Total transfer of assets to this plan | 2010-12-31 | $129,798,887 |
| Total transfer of assets from this plan | 2010-12-31 | $453,306,286 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $131,974,088 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $97,722,499 |
| Total income from all sources (including contributions) | 2010-12-31 | $293,223,838 |
| Total loss/gain on sale of assets | 2010-12-31 | $-14,198,045 |
| Total of all expenses incurred | 2010-12-31 | $151,885 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $1,562,933,062 |
| Value of total assets at beginning of year | 2010-12-31 | $1,559,116,919 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $151,885 |
| Total interest from all sources | 2010-12-31 | $83,327,456 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $23,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $22,911,092 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $108,880,527 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $131,974,088 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $97,722,499 |
| Value of net income/loss | 2010-12-31 | $293,071,953 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,430,958,974 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,461,394,420 |
| Investment advisory and management fees | 2010-12-31 | $128,075 |
| Income. Interest from corporate debt instruments | 2010-12-31 | $83,287,759 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $10,785,543 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $5,112,812 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $5,112,812 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $39,697 |
| Asset. Corporate debt instrument debt (other) at end of year | 2010-12-31 | $1,529,236,427 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2010-12-31 | $1,445,123,580 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $472,216,962 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $486,415,007 |
