v3.25.1
INVESTMENTS - Selected Statement of Operations Information For STRS JV (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Investments [Line Items]      
Total investment income $ 92,817 $ 103,260 $ 87,527
Administrative service fees 683 683 683
Net investment income after excise tax 37,238 42,713 37,258
Net increase (decrease) in net assets resulting from operations 10,851 20,412 15,683
STRS JV      
Schedule of Investments [Line Items]      
Interest and fee income 39,833 40,334 28,956
Total investment income 39,833 40,334 28,956
Interest expense on credit facility 14,433 14,558 7,470
Interest expense on notes to members 14,971 14,403 9,680
Administrative service fees 651 652 629
Other expenses 816 636 564
Total expenses, before fees waived 30,871 30,249 18,343
Net investment income after excise tax 8,962 10,085 10,613
Net realized gains (losses) on investments and foreign currency transactions 91 312 329
Net change in unrealized appreciation (depreciation) on investments and foreign currency transactions 1,329 1,229 (875)
Net increase (decrease) in net assets resulting from operations $ 10,382 $ 11,626 $ 10,067