v3.26.1
DEBT - Outstanding Debt Obligations (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
DEBT [Abstract]    
Aggregate borrowing capacity $ 1,075,000 $ 1,075,000
Outstanding principal 717,706 802,950
Less unamortized deferred financing cost 6,938 5,900
Carrying value per consolidated statement of assets and liabilities 710,768 797,050
SMBC Revolving Credit Facility [Member]    
DEBT [Abstract]    
Aggregate borrowing capacity 325,000 325,000
Outstanding principal 101,922 [1] 226,248 [2]
Less unamortized deferred financing cost 2,696 2,879
Carrying value per consolidated statement of assets and liabilities 99,226 223,369
Unrealized depreciation related to foreign currency translations 254 71
BofA ABL Credit Facility [Member]    
DEBT [Abstract]    
Aggregate borrowing capacity 450,000 450,000
Outstanding principal 409,860 406,300
Less unamortized deferred financing cost 3,221 2,298
Carrying value per consolidated statement of assets and liabilities 406,639 404,002
RBC ABL Credit Facility [Member]    
DEBT [Abstract]    
Aggregate borrowing capacity 300,000 300,000
Outstanding principal 205,924 [3] 170,402 [4]
Less unamortized deferred financing cost 1,021 723
Carrying value per consolidated statement of assets and liabilities 204,903 169,679
Unrealized depreciation related to foreign currency translations $ 570 $ 123
[1] Net of $254 in unrealized appreciation related to foreign currency translations
[2] Net of ($71) in unrealized depreciation related to foreign currency translations
[3] Net of $(570) in unrealized depreciation related to foreign currency translations
[4] Net of ($123) in unrealized depreciation related to foreign currency translations