BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan GOVERNMENT-CREDIT BOND INDEX FUND F
| Measure | Date | Value |
|---|
| 2023 : GOVERNMENT-CREDIT BOND INDEX FUND F 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $212,678,556 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $212,678,556 |
| Total transfer of assets to this plan | 2023-12-31 | $397,554,022 |
| Total transfer of assets from this plan | 2023-12-31 | $422,738,202 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $9,000,100 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $5,172,479 |
| Total income from all sources (including contributions) | 2023-12-31 | $183,317,362 |
| Total of all expenses incurred | 2023-12-31 | $14,306 |
| Value of total assets at end of year | 2023-12-31 | $3,269,346,637 |
| Value of total assets at beginning of year | 2023-12-31 | $3,107,400,140 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $14,306 |
| Total interest from all sources | 2023-12-31 | $40 |
| 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 | $8,994,198 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $5,164,697 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $9,000,100 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $5,172,479 |
| Administrative expenses (other) incurred | 2023-12-31 | $2,453 |
| Value of net income/loss | 2023-12-31 | $183,303,056 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $3,260,346,537 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $3,102,227,661 |
| Investment advisory and management fees | 2023-12-31 | $7,991 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $3,260,352,270 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $3,102,234,126 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $169 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,317 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,317 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $40 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $-29,361,234 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $10,694 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $10,694 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $212,678,556 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $212,678,556 |
| Total transfer of assets to this plan | 2023-01-01 | $397,554,022 |
| Total transfer of assets from this plan | 2023-01-01 | $422,738,202 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $9,000,100 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $5,172,479 |
| Total income from all sources (including contributions) | 2023-01-01 | $183,317,362 |
| Total of all expenses incurred | 2023-01-01 | $14,306 |
| Value of total assets at end of year | 2023-01-01 | $3,269,346,637 |
| Value of total assets at beginning of year | 2023-01-01 | $3,107,400,140 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $14,306 |
| Total interest from all sources | 2023-01-01 | $40 |
| 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 | $8,994,198 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $5,164,697 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $9,000,100 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $5,172,479 |
| Administrative expenses (other) incurred | 2023-01-01 | $2,453 |
| Value of net income/loss | 2023-01-01 | $183,303,056 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $3,260,346,537 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $3,102,227,661 |
| Investment advisory and management fees | 2023-01-01 | $7,991 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $3,260,352,270 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $3,102,234,126 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $169 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $40 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $-29,361,234 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $10,694 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $10,694 |
| 2022 : GOVERNMENT-CREDIT BOND INDEX FUND F 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-173,418,330 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-173,418,330 |
| Total transfer of assets to this plan | 2022-12-31 | $3,753,785,890 |
| Total transfer of assets from this plan | 2022-12-31 | $619,220,337 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $5,172,479 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $17,616 |
| Total income from all sources (including contributions) | 2022-12-31 | $-279,786,886 |
| Total of all expenses incurred | 2022-12-31 | $13,659 |
| Value of total assets at end of year | 2022-12-31 | $3,107,400,140 |
| Value of total assets at beginning of year | 2022-12-31 | $247,480,269 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $13,659 |
| Total interest from all sources | 2022-12-31 | $27 |
| 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 | $3,794 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $5,164,697 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $14,401 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $5,172,479 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $17,616 |
| Administrative expenses (other) incurred | 2022-12-31 | $1,003 |
| Value of net income/loss | 2022-12-31 | $-279,800,545 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $3,102,227,661 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $247,462,653 |
| Investment advisory and management fees | 2022-12-31 | $8,862 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $3,102,234,126 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $247,465,088 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,317 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $780 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $780 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $27 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-106,368,583 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $1,509,624 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $1,509,624 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-173,418,330 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-173,418,330 |
| Total transfer of assets to this plan | 2022-01-01 | $3,753,785,890 |
| Total transfer of assets from this plan | 2022-01-01 | $619,220,337 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $5,172,479 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $17,616 |
| Total income from all sources (including contributions) | 2022-01-01 | $-279,786,886 |
| Total of all expenses incurred | 2022-01-01 | $13,659 |
| Value of total assets at end of year | 2022-01-01 | $3,107,400,140 |
| Value of total assets at beginning of year | 2022-01-01 | $247,480,269 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $13,659 |
| Total interest from all sources | 2022-01-01 | $27 |
| 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 | $3,794 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $5,164,697 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $14,401 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $5,172,479 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $17,616 |
| Administrative expenses (other) incurred | 2022-01-01 | $1,003 |
| Value of net income/loss | 2022-01-01 | $-279,800,545 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $3,102,227,661 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $247,462,653 |
| Investment advisory and management fees | 2022-01-01 | $8,862 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $3,102,234,126 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $247,465,088 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $1,317 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $27 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $-106,368,583 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $1,509,624 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $1,509,624 |
| 2021 : GOVERNMENT-CREDIT BOND INDEX FUND F 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-8,847,668 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-8,847,668 |
| Total transfer of assets to this plan | 2021-12-31 | $133,802,452 |
| Total transfer of assets from this plan | 2021-12-31 | $215,024,019 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $17,616 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $22,484 |
| Total income from all sources (including contributions) | 2021-12-31 | $-7,304,776 |
| Total of all expenses incurred | 2021-12-31 | $7,224 |
| Value of total assets at end of year | 2021-12-31 | $247,480,269 |
| Value of total assets at beginning of year | 2021-12-31 | $336,018,704 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $7,224 |
| Total interest from all sources | 2021-12-31 | $1 |
| 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 | $3,364 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $14,401 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $15,631 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $17,616 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $22,484 |
| Administrative expenses (other) incurred | 2021-12-31 | $-2,930 |
| Value of net income/loss | 2021-12-31 | $-7,312,000 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $247,462,653 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $335,996,220 |
| Investment advisory and management fees | 2021-12-31 | $6,790 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $247,465,088 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $336,002,073 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $780 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $1 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $1,542,891 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $4,117 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $4,117 |
| 2020 : GOVERNMENT-CREDIT BOND INDEX FUND F 2020 401k financial data |
|---|
| Total transfer of assets to this plan | 2020-12-31 | $163,416,185 |
| Total transfer of assets from this plan | 2020-12-31 | $216,950,976 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $22,484 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $334,238 |
| Total income from all sources (including contributions) | 2020-12-31 | $32,609,699 |
| Total of all expenses incurred | 2020-12-31 | $12,187 |
| Value of total assets at end of year | 2020-12-31 | $336,018,704 |
| Value of total assets at beginning of year | 2020-12-31 | $357,267,737 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $12,187 |
| Total interest from all sources | 2020-12-31 | $18 |
| 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 | $3,111 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $15,631 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $327,849 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $22,484 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $334,238 |
| Administrative expenses (other) incurred | 2020-12-31 | $2,804 |
| Value of net income/loss | 2020-12-31 | $32,597,512 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $335,996,220 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $356,933,499 |
| Investment advisory and management fees | 2020-12-31 | $6,272 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $336,002,073 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $356,938,888 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $18 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $32,609,681 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,859,661 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,859,661 |
| 2019 : GOVERNMENT-CREDIT BOND INDEX FUND F 2019 401k financial data |
|---|
| Total transfer of assets to this plan | 2019-12-31 | $121,990,074 |
| Total transfer of assets from this plan | 2019-12-31 | $101,749,153 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $334,238 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $221,955 |
| Total income from all sources (including contributions) | 2019-12-31 | $32,871,542 |
| Total of all expenses incurred | 2019-12-31 | $13,030 |
| Value of total assets at end of year | 2019-12-31 | $357,267,737 |
| Value of total assets at beginning of year | 2019-12-31 | $304,056,021 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $13,030 |
| Total interest from all sources | 2019-12-31 | $83 |
| 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 | $3,727 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $327,849 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $218,209 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $334,238 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $221,955 |
| Value of net income/loss | 2019-12-31 | $32,858,512 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $356,933,499 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $303,834,066 |
| Investment advisory and management fees | 2019-12-31 | $9,303 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $356,938,888 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $303,837,278 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $534 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $534 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $83 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $32,871,459 |
| 2018 : GOVERNMENT-CREDIT BOND INDEX FUND F 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $15,692,220 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $15,692,220 |
| Total transfer of assets to this plan | 2018-12-31 | $131,427,364 |
| Total transfer of assets from this plan | 2018-12-31 | $335,286,306 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $221,955 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $159,669 |
| Total income from all sources (including contributions) | 2018-12-31 | $-1,278,223 |
| Total loss/gain on sale of assets | 2018-12-31 | $-1,977,511 |
| Total of all expenses incurred | 2018-12-31 | $9,217 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $304,056,021 |
| Value of total assets at beginning of year | 2018-12-31 | $509,140,117 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $9,217 |
| Total interest from all sources | 2018-12-31 | $19 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $3,762 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $218,209 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $159,225 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $221,955 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $159,669 |
| Administrative expenses (other) incurred | 2018-12-31 | $-451 |
| Value of net income/loss | 2018-12-31 | $-1,287,440 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $303,834,066 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $508,980,448 |
| Investment advisory and management fees | 2018-12-31 | $5,906 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $303,837,278 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $508,979,892 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $534 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $19 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-14,992,951 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $319,774,387 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $321,751,898 |
| 2017 : GOVERNMENT-CREDIT BOND INDEX FUND F 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $10,380,981 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $10,380,981 |
| Total transfer of assets to this plan | 2017-12-31 | $136,902,311 |
| Total transfer of assets from this plan | 2017-12-31 | $201,720,882 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $159,669 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $136,698 |
| Total income from all sources (including contributions) | 2017-12-31 | $21,365,825 |
| Total loss/gain on sale of assets | 2017-12-31 | $-3,045,833 |
| Total of all expenses incurred | 2017-12-31 | $9,627 |
| 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 | $509,140,117 |
| Value of total assets at beginning of year | 2017-12-31 | $552,579,519 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $9,627 |
| Total interest from all sources | 2017-12-31 | $9 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $3,765 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $159,225 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $136,240 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $159,669 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $136,698 |
| Value of net income/loss | 2017-12-31 | $21,356,198 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $508,980,448 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $552,442,821 |
| Investment advisory and management fees | 2017-12-31 | $5,862 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $508,979,892 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $552,442,746 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $533 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $9 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $14,030,668 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $187,564,772 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $190,610,605 |
| 2016 : GOVERNMENT-CREDIT BOND INDEX FUND F 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $1,671,541 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $1,671,541 |
| Total transfer of assets to this plan | 2016-12-31 | $109,575,969 |
| Total transfer of assets from this plan | 2016-12-31 | $87,639,526 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $136,698 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $392,983 |
| Total income from all sources (including contributions) | 2016-12-31 | $15,779,557 |
| Total loss/gain on sale of assets | 2016-12-31 | $-1,792,360 |
| Total of all expenses incurred | 2016-12-31 | $9,962 |
| 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 | $552,579,519 |
| Value of total assets at beginning of year | 2016-12-31 | $515,129,766 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $9,962 |
| Total interest from all sources | 2016-12-31 | $4 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $3,910 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $136,240 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $389,484 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $136,698 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $392,983 |
| Value of net income/loss | 2016-12-31 | $15,769,595 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $552,442,821 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $514,736,783 |
| Investment advisory and management fees | 2016-12-31 | $6,052 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $552,442,746 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $514,739,974 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $308 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $308 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $4 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $15,900,372 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $70,463,403 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $72,255,763 |
| 2015 : GOVERNMENT-CREDIT BOND INDEX FUND F 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-8,661,561 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-8,661,561 |
| Total transfer of assets to this plan | 2015-12-31 | $134,867,857 |
| Total transfer of assets from this plan | 2015-12-31 | $215,694,811 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $392,983 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $91,029 |
| Total income from all sources (including contributions) | 2015-12-31 | $1,918,671 |
| Total loss/gain on sale of assets | 2015-12-31 | $-4,209,068 |
| Total of all expenses incurred | 2015-12-31 | $9,549 |
| 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 | $515,129,766 |
| Value of total assets at beginning of year | 2015-12-31 | $593,745,644 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $9,549 |
| Total interest from all sources | 2015-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $3,910 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $389,484 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $86,695 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $392,983 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $91,029 |
| Administrative expenses (other) incurred | 2015-12-31 | $-194 |
| Value of net income/loss | 2015-12-31 | $1,909,122 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $514,736,783 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $593,654,615 |
| Investment advisory and management fees | 2015-12-31 | $5,833 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $514,739,974 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $593,658,416 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $308 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $14,789,300 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $196,766,386 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $200,975,454 |
| 2014 : GOVERNMENT-CREDIT BOND INDEX FUND F 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $17,886,756 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $17,886,756 |
| Total transfer of assets to this plan | 2014-12-31 | $187,240,819 |
| Total transfer of assets from this plan | 2014-12-31 | $145,299,817 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $91,029 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,381,371 |
| Total income from all sources (including contributions) | 2014-12-31 | $31,291,621 |
| Total loss/gain on sale of assets | 2014-12-31 | $-2,863,791 |
| Total of all expenses incurred | 2014-12-31 | $9,706 |
| 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 | $593,745,644 |
| Value of total assets at beginning of year | 2014-12-31 | $521,813,069 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $9,706 |
| Total interest from all sources | 2014-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $3,860 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $86,695 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $1,376,796 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $91,029 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $1,381,371 |
| Value of net income/loss | 2014-12-31 | $31,281,915 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $593,654,615 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $520,431,698 |
| Investment advisory and management fees | 2014-12-31 | $5,846 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $593,658,416 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $520,435,740 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $16,268,656 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $126,760,737 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $129,624,528 |
| 2013 : GOVERNMENT-CREDIT BOND INDEX FUND F 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-28,705,090 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-28,705,090 |
| Total transfer of assets to this plan | 2013-12-31 | $88,237,902 |
| Total transfer of assets from this plan | 2013-12-31 | $182,922,668 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,381,371 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,768,656 |
| Total income from all sources (including contributions) | 2013-12-31 | $-13,290,074 |
| Total loss/gain on sale of assets | 2013-12-31 | $-3,500,102 |
| Total of all expenses incurred | 2013-12-31 | $9,937 |
| 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 | $521,813,069 |
| Value of total assets at beginning of year | 2013-12-31 | $630,185,131 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $9,937 |
| Total interest from all sources | 2013-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $4,100 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $1,376,796 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $1,764,181 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $1,381,371 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $1,768,656 |
| Value of net income/loss | 2013-12-31 | $-13,300,011 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $520,431,698 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $628,416,475 |
| Investment advisory and management fees | 2013-12-31 | $5,837 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $520,435,740 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $628,420,417 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $18,915,118 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $160,492,076 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $163,992,178 |
| 2012 : GOVERNMENT-CREDIT BOND INDEX FUND F 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-5,823,366 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-5,823,366 |
| Total transfer of assets to this plan | 2012-12-31 | $167,325,175 |
| Total transfer of assets from this plan | 2012-12-31 | $110,759,610 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $1,768,656 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $8,326,549 |
| Total income from all sources (including contributions) | 2012-12-31 | $27,353,107 |
| Total loss/gain on sale of assets | 2012-12-31 | $3,534,882 |
| Total of all expenses incurred | 2012-12-31 | $9,888 |
| 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 | $630,185,131 |
| Value of total assets at beginning of year | 2012-12-31 | $552,834,240 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $9,888 |
| Total interest from all sources | 2012-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $4,000 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $1,764,181 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $8,321,191 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $1,768,656 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $8,326,549 |
| Value of net income/loss | 2012-12-31 | $27,343,219 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $628,416,475 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $544,507,691 |
| Investment advisory and management fees | 2012-12-31 | $5,888 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $628,420,417 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $544,512,190 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $859 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $859 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $29,641,591 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $81,602,860 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $78,067,978 |
| 2011 : GOVERNMENT-CREDIT BOND INDEX FUND F 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $17,005,724 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $17,005,724 |
| Total transfer of assets to this plan | 2011-12-31 | $105,328,235 |
| Total transfer of assets from this plan | 2011-12-31 | $247,977,017 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $8,326,549 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $5,451 |
| Total income from all sources (including contributions) | 2011-12-31 | $48,618,743 |
| Total loss/gain on sale of assets | 2011-12-31 | $1,997,673 |
| Total of all expenses incurred | 2011-12-31 | $10,811 |
| 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 | $552,834,240 |
| Value of total assets at beginning of year | 2011-12-31 | $638,553,992 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $10,811 |
| Total interest from all sources | 2011-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $4,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $8,321,191 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $8,326,549 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $5,451 |
| Value of net income/loss | 2011-12-31 | $48,607,932 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $544,507,691 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $638,548,541 |
| Investment advisory and management fees | 2011-12-31 | $5,836 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $544,512,190 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $638,553,837 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $859 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $155 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $155 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $29,615,346 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $223,838,104 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $221,840,431 |
| 2010 : GOVERNMENT-CREDIT BOND INDEX FUND F 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $-2,523,091 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $-2,523,091 |
| Total transfer of assets to this plan | 2010-12-31 | $144,882,830 |
| Total transfer of assets from this plan | 2010-12-31 | $136,139,343 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $5,451 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $5,774 |
| Total income from all sources (including contributions) | 2010-12-31 | $38,688,297 |
| Total loss/gain on sale of assets | 2010-12-31 | $18,275,096 |
| Total of all expenses incurred | 2010-12-31 | $11,576 |
| 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 | $638,553,992 |
| Value of total assets at beginning of year | 2010-12-31 | $591,134,107 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $11,576 |
| Total interest from all sources | 2010-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $4,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $775 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $5,451 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $5,774 |
| Value of net income/loss | 2010-12-31 | $38,676,721 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $638,548,541 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $591,128,333 |
| Investment advisory and management fees | 2010-12-31 | $6,601 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $638,553,837 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $591,132,503 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $155 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $829 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $829 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $22,936,292 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $113,207,932 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $94,932,836 |
