RELATED PARTY TRANSACTIONS - Administration , Co-investment and STRS JV (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
RELATED PARTY TRANSACTIONS
Administrative service fees	$ 683	$ 683	$ 683
Net realized losses on investments	$ 35,383	17,993	(5,738)
Administration Agreement
RELATED PARTY TRANSACTIONS
Agreement may be terminated by either party without penalty upon days	60 days
Administrative service fees	$ 683	683	$ 683
Administration Agreement \| White Horse Advisers
RELATED PARTY TRANSACTIONS
Other liabilities	7,220,543	5,890,052
Administration Agreement \| STRS JV
RELATED PARTY TRANSACTIONS
Proceeds from sale of investments	83,259	59,190
Net realized losses on investments	$ 4	$ 15

Amount of expense for administrative fee from service provided, including, but not limited to, salary, rent, or overhead cost.

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