BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2023 : RUSSELL 2500 INDEX FUND F 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $1,040,549,604 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $1,040,549,604 |
| Total transfer of assets to this plan | 2023-12-31 | $1,592,390,860 |
| Total transfer of assets from this plan | 2023-12-31 | $1,735,451,007 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $11,610,012 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $50,268,013 |
| Total income from all sources (including contributions) | 2023-12-31 | $1,414,441,302 |
| Value of total assets at end of year | 2023-12-31 | $9,389,976,586 |
| Value of total assets at beginning of year | 2023-12-31 | $8,157,253,432 |
| Total interest from all sources | 2023-12-31 | $88 |
| 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 | $11,621,851 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $50,266,279 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $11,610,012 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $50,268,013 |
| Administrative expenses (other) incurred | 2023-12-31 | $-12,076 |
| Value of net income/loss | 2023-12-31 | $1,414,441,302 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $9,378,366,574 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $8,106,985,419 |
| Investment advisory and management fees | 2023-12-31 | $8,214 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $9,378,354,488 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $8,106,977,658 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $247 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $9,495 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $9,495 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $88 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $373,891,610 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $33,368 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $33,368 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $1,040,549,604 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $1,040,549,604 |
| Total transfer of assets to this plan | 2023-01-01 | $1,592,390,860 |
| Total transfer of assets from this plan | 2023-01-01 | $1,735,451,007 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $11,610,012 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $50,268,013 |
| Total income from all sources (including contributions) | 2023-01-01 | $1,414,441,302 |
| Value of total assets at end of year | 2023-01-01 | $9,389,976,586 |
| Value of total assets at beginning of year | 2023-01-01 | $8,157,253,432 |
| Total interest from all sources | 2023-01-01 | $88 |
| 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 | $11,621,851 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $50,266,279 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $11,610,012 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $50,268,013 |
| Administrative expenses (other) incurred | 2023-01-01 | $-12,076 |
| Value of net income/loss | 2023-01-01 | $1,414,441,302 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $9,378,366,574 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $8,106,985,419 |
| Investment advisory and management fees | 2023-01-01 | $8,214 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $9,378,354,488 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $8,106,977,658 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $247 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $88 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $373,891,610 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $33,368 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $33,368 |
| 2022 : RUSSELL 2500 INDEX FUND F 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-2,535,402,793 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-2,535,402,793 |
| Total transfer of assets to this plan | 2022-12-31 | $1,211,232,650 |
| Total transfer of assets from this plan | 2022-12-31 | $1,705,507,225 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $50,268,013 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $131,982,093 |
| Total income from all sources (including contributions) | 2022-12-31 | $-1,891,301,749 |
| Value of total assets at end of year | 2022-12-31 | $8,157,253,432 |
| Value of total assets at beginning of year | 2022-12-31 | $10,624,543,836 |
| Total interest from all sources | 2022-12-31 | $48 |
| 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 | $3,790 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $50,266,279 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $132,001,410 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $50,268,013 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $131,982,093 |
| Administrative expenses (other) incurred | 2022-12-31 | $-11,225 |
| Value of net income/loss | 2022-12-31 | $-1,891,301,749 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $8,106,985,419 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $10,492,561,743 |
| Investment advisory and management fees | 2022-12-31 | $7,435 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $8,106,977,658 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $10,492,541,426 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $9,495 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $48 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $644,100,996 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $81,438 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $81,438 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-2,535,402,793 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-2,535,402,793 |
| Total transfer of assets to this plan | 2022-01-01 | $1,211,232,650 |
| Total transfer of assets from this plan | 2022-01-01 | $1,705,507,225 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $50,268,013 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $131,982,093 |
| Total income from all sources (including contributions) | 2022-01-01 | $-1,891,301,749 |
| Value of total assets at end of year | 2022-01-01 | $8,157,253,432 |
| Value of total assets at beginning of year | 2022-01-01 | $10,624,543,836 |
| Total interest from all sources | 2022-01-01 | $48 |
| 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 | $3,790 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $50,266,279 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $132,001,410 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $50,268,013 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $131,982,093 |
| Administrative expenses (other) incurred | 2022-01-01 | $-11,225 |
| Value of net income/loss | 2022-01-01 | $-1,891,301,749 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $8,106,985,419 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $10,492,561,743 |
| Investment advisory and management fees | 2022-01-01 | $7,435 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $8,106,977,658 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $10,492,541,426 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $9,495 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $48 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $644,100,996 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $81,438 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $81,438 |
| 2021 : RUSSELL 2500 INDEX FUND F 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $543,540,398 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $543,540,398 |
| Total transfer of assets to this plan | 2021-12-31 | $2,600,859,296 |
| Total transfer of assets from this plan | 2021-12-31 | $1,875,669,639 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $131,982,093 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $8,239,973 |
| Total income from all sources (including contributions) | 2021-12-31 | $1,557,577,592 |
| Value of total assets at end of year | 2021-12-31 | $10,624,543,836 |
| Value of total assets at beginning of year | 2021-12-31 | $8,218,034,467 |
| Total interest from all sources | 2021-12-31 | $6 |
| 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 | $3,374 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $132,001,410 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $8,241,625 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $131,982,093 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $8,239,973 |
| Administrative expenses (other) incurred | 2021-12-31 | $-10,321 |
| Value of net income/loss | 2021-12-31 | $1,557,577,592 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $10,492,561,743 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $8,209,794,494 |
| Investment advisory and management fees | 2021-12-31 | $6,947 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $10,492,541,426 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $8,209,791,842 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $1,000 |
| 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 | $6 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $1,014,037,188 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $481,984 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $481,984 |
| 2020 : RUSSELL 2500 INDEX FUND F 2020 401k financial data |
|---|
| Total transfer of assets to this plan | 2020-12-31 | $2,159,644,389 |
| Total transfer of assets from this plan | 2020-12-31 | $2,323,493,679 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $8,239,973 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $3,538,417 |
| Total income from all sources (including contributions) | 2020-12-31 | $1,366,129,938 |
| Total of all expenses incurred | 2020-12-31 | $4,342 |
| Value of total assets at end of year | 2020-12-31 | $8,218,034,467 |
| Value of total assets at beginning of year | 2020-12-31 | $7,011,056,605 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $4,342 |
| Total interest from all sources | 2020-12-31 | $19 |
| 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 | $3,469 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $8,241,625 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $3,532,029 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $8,239,973 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $3,538,417 |
| Administrative expenses (other) incurred | 2020-12-31 | $-5,652 |
| Value of net income/loss | 2020-12-31 | $1,366,125,596 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $8,209,794,494 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $7,007,518,188 |
| Investment advisory and management fees | 2020-12-31 | $6,525 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $8,209,791,842 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $7,007,523,576 |
| 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 | $19 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $1,366,129,919 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,399,390 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,399,390 |
| 2019 : RUSSELL 2500 INDEX FUND F 2019 401k financial data |
|---|
| Total transfer of assets to this plan | 2019-12-31 | $1,411,990,992 |
| Total transfer of assets from this plan | 2019-12-31 | $1,684,901,209 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $3,538,417 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $718,874,139 |
| Total income from all sources (including contributions) | 2019-12-31 | $1,569,761,382 |
| Total of all expenses incurred | 2019-12-31 | $27,678 |
| Value of total assets at end of year | 2019-12-31 | $7,011,056,605 |
| Value of total assets at beginning of year | 2019-12-31 | $6,429,568,840 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $27,678 |
| Total interest from all sources | 2019-12-31 | $1,418 |
| 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 | $3,532,029 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $718,884,889 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $3,538,417 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $718,874,139 |
| Value of net income/loss | 2019-12-31 | $1,569,733,704 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $7,007,518,188 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $5,710,694,701 |
| Investment advisory and management fees | 2019-12-31 | $23,951 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $7,007,523,576 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $5,710,682,951 |
| 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 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $1,418 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $1,569,759,964 |
| 2018 : RUSSELL 2500 INDEX FUND F 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-1,369,261,661 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-1,369,261,661 |
| Total transfer of assets to this plan | 2018-12-31 | $1,900,438,640 |
| Total transfer of assets from this plan | 2018-12-31 | $2,405,471,587 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $718,874,139 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $6,862,912 |
| Total income from all sources (including contributions) | 2018-12-31 | $-635,755,410 |
| Total loss/gain on sale of assets | 2018-12-31 | $222,220,760 |
| Total of all expenses incurred | 2018-12-31 | $0 |
| 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 | $6,429,568,840 |
| Value of total assets at beginning of year | 2018-12-31 | $6,858,345,970 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $0 |
| Total interest from all sources | 2018-12-31 | $66 |
| 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 | $718,884,889 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $6,862,467 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $718,874,139 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $6,862,912 |
| Administrative expenses (other) incurred | 2018-12-31 | $-9,669 |
| Value of net income/loss | 2018-12-31 | $-635,755,410 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $5,710,694,701 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $6,851,483,058 |
| Investment advisory and management fees | 2018-12-31 | $5,907 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $5,710,682,951 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $6,851,482,503 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $1,000 |
| 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 | $66 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $511,285,425 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,238,648,179 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $1,016,427,419 |
| 2017 : RUSSELL 2500 INDEX FUND F 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $499,312,425 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $499,312,425 |
| Total transfer of assets to this plan | 2017-12-31 | $2,467,345,196 |
| Total transfer of assets from this plan | 2017-12-31 | $1,476,304,451 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $6,862,912 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $89,374,885 |
| Total income from all sources (including contributions) | 2017-12-31 | $948,553,237 |
| Total loss/gain on sale of assets | 2017-12-31 | $134,558,073 |
| Total of all expenses incurred | 2017-12-31 | $9,611 |
| 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 | $6,858,345,970 |
| Value of total assets at beginning of year | 2017-12-31 | $5,001,273,572 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $9,611 |
| Total interest from all sources | 2017-12-31 | $34 |
| 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 | $6,862,467 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $89,374,893 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $6,862,912 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $89,374,885 |
| Value of net income/loss | 2017-12-31 | $948,543,626 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $6,851,483,058 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $4,911,898,687 |
| Investment advisory and management fees | 2017-12-31 | $5,846 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $6,851,482,503 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $4,911,898,146 |
| 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 | $34 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $314,682,705 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $631,503,822 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $496,945,749 |
| 2016 : RUSSELL 2500 INDEX FUND F 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $445,042,265 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $445,042,265 |
| Total transfer of assets to this plan | 2016-12-31 | $911,283,208 |
| Total transfer of assets from this plan | 2016-12-31 | $947,792,676 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $89,374,885 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $6,206,855 |
| Total income from all sources (including contributions) | 2016-12-31 | $729,218,567 |
| Total loss/gain on sale of assets | 2016-12-31 | $63,486,308 |
| Total of all expenses incurred | 2016-12-31 | $10,034 |
| 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 | $5,001,273,572 |
| Value of total assets at beginning of year | 2016-12-31 | $4,225,406,477 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $10,034 |
| Total interest from all sources | 2016-12-31 | $5 |
| 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 | $89,374,893 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $6,203,426 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $89,374,885 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $6,206,855 |
| Value of net income/loss | 2016-12-31 | $729,208,533 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $4,911,898,687 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $4,219,199,622 |
| Investment advisory and management fees | 2016-12-31 | $6,124 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $4,911,898,146 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $4,219,202,743 |
| 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 | $5 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $220,689,989 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $622,945,528 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $559,459,220 |
| 2015 : RUSSELL 2500 INDEX FUND F 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-388,413,287 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-388,413,287 |
| Total transfer of assets to this plan | 2015-12-31 | $2,332,495,803 |
| Total transfer of assets from this plan | 2015-12-31 | $779,667,472 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $6,206,855 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $3,293,849 |
| Total income from all sources (including contributions) | 2015-12-31 | $-168,744,775 |
| Total loss/gain on sale of assets | 2015-12-31 | $17,643,312 |
| Total of all expenses incurred | 2015-12-31 | $9,478 |
| 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 | $4,225,406,477 |
| Value of total assets at beginning of year | 2015-12-31 | $2,838,419,393 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $9,478 |
| 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 | $6,203,426 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $3,289,515 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $6,206,855 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $3,293,849 |
| Administrative expenses (other) incurred | 2015-12-31 | $-264 |
| Value of net income/loss | 2015-12-31 | $-168,754,253 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $4,219,199,622 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $2,835,125,544 |
| Investment advisory and management fees | 2015-12-31 | $5,832 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $4,219,202,743 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $2,835,129,345 |
| 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 | $202,025,200 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $133,653,332 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $116,010,020 |
| 2014 : RUSSELL 2500 INDEX FUND F 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $-13,697,794 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $-13,697,794 |
| Total transfer of assets to this plan | 2014-12-31 | $544,885,195 |
| Total transfer of assets from this plan | 2014-12-31 | $429,687,996 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $3,293,849 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $172,947,788 |
| Total income from all sources (including contributions) | 2014-12-31 | $186,342,442 |
| Total loss/gain on sale of assets | 2014-12-31 | $45,139,133 |
| 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 | $2,838,419,393 |
| Value of total assets at beginning of year | 2014-12-31 | $2,706,543,397 |
| 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 | $3,289,515 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $172,943,213 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $3,293,849 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $172,947,788 |
| Value of net income/loss | 2014-12-31 | $186,332,736 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $2,835,125,544 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $2,533,595,609 |
| Investment advisory and management fees | 2014-12-31 | $5,846 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $2,835,129,345 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $2,533,599,651 |
| 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 | $154,901,103 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $277,251,194 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $232,112,061 |
| 2013 : RUSSELL 2500 INDEX FUND F 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $392,480,618 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $392,480,618 |
| Total transfer of assets to this plan | 2013-12-31 | $1,494,125,577 |
| Total transfer of assets from this plan | 2013-12-31 | $1,113,048,824 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $172,947,788 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $984,969 |
| Total income from all sources (including contributions) | 2013-12-31 | $647,416,192 |
| Total loss/gain on sale of assets | 2013-12-31 | $66,719,110 |
| Total of all expenses incurred | 2013-12-31 | $9,936 |
| 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 | $2,706,543,397 |
| Value of total assets at beginning of year | 2013-12-31 | $1,506,097,569 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $9,936 |
| 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 | $172,943,213 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $980,493 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $172,947,788 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $984,969 |
| Value of net income/loss | 2013-12-31 | $647,406,256 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $2,533,595,609 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,505,112,600 |
| Investment advisory and management fees | 2013-12-31 | $5,836 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $2,533,599,651 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $1,505,116,076 |
| 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 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,000 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $188,216,464 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $484,274,854 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $417,555,744 |
| 2012 : RUSSELL 2500 INDEX FUND F 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-31,791,639 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-31,791,639 |
| Total transfer of assets to this plan | 2012-12-31 | $338,056,325 |
| Total transfer of assets from this plan | 2012-12-31 | $210,329,104 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $984,969 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $490,467 |
| Total income from all sources (including contributions) | 2012-12-31 | $222,819,517 |
| Total loss/gain on sale of assets | 2012-12-31 | $78,670,701 |
| Total of all expenses incurred | 2012-12-31 | $9,890 |
| 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 | $1,506,097,569 |
| Value of total assets at beginning of year | 2012-12-31 | $1,155,066,219 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $9,890 |
| Total interest from all sources | 2012-12-31 | $11 |
| 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 | $980,493 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $485,492 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $984,969 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $490,467 |
| Value of net income/loss | 2012-12-31 | $222,809,627 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,505,112,600 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,154,575,752 |
| Investment advisory and management fees | 2012-12-31 | $5,890 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $1,505,116,076 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $1,154,580,242 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $485 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $485 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $11 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $175,940,444 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $1,636,300,026 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $1,557,629,325 |
| 2011 : RUSSELL 2500 INDEX FUND F 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-174,337,752 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-174,337,752 |
| Total transfer of assets to this plan | 2011-12-31 | $922,160,233 |
| Total transfer of assets from this plan | 2011-12-31 | $233,161,441 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $490,467 |
| 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 | $-24,900,092 |
| Total loss/gain on sale of assets | 2011-12-31 | $40,007,997 |
| Total of all expenses incurred | 2011-12-31 | $10,809 |
| 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 | $1,155,066,219 |
| Value of total assets at beginning of year | 2011-12-31 | $490,493,312 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $10,809 |
| 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 | $485,492 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $1,625 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $490,467 |
| 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 | $-24,910,901 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,154,575,752 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $490,487,861 |
| Investment advisory and management fees | 2011-12-31 | $5,834 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $1,154,580,242 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $490,491,022 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $485 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $665 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $665 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $109,429,663 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $184,891,685 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $144,883,688 |
| 2010 : RUSSELL 2500 INDEX FUND F 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $74,066,442 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $74,066,442 |
| Total transfer of assets to this plan | 2010-12-31 | $48,865,194 |
| Total transfer of assets from this plan | 2010-12-31 | $32,127,610 |
| 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 | $5,776 |
| Total income from all sources (including contributions) | 2010-12-31 | $102,065,037 |
| Total loss/gain on sale of assets | 2010-12-31 | $2,637,147 |
| Total of all expenses incurred | 2010-12-31 | $6,743 |
| 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 | $490,493,312 |
| Value of total assets at beginning of year | 2010-12-31 | $371,697,759 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $6,743 |
| 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 | $1,625 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $8,618 |
| 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 | $5,776 |
| Administrative expenses (other) incurred | 2010-12-31 | $-4,052 |
| Value of net income/loss | 2010-12-31 | $102,058,294 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $490,487,861 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $371,691,983 |
| Investment advisory and management fees | 2010-12-31 | $5,820 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $490,491,022 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $371,686,196 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $665 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $2,945 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $2,945 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $25,361,448 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $31,944,169 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $29,307,022 |
