Annual report pursuant to Section 13 and 15(d)

BORROWINGS - Secured Borrowing Narrative (Details)

v3.23.1
BORROWINGS - Secured Borrowing Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2022
May 31, 2014
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Aug. 31, 2012
Debt Instrument [Line Items]            
Cost     $ 720,630 [1] $ 669,248 [2]    
Purchase of investments     133,756 92,738 $ 95,272  
Secured borrowing     0 5,096    
Ginsey Home Solutions, Inc.            
Debt Instrument [Line Items]            
Cost     12,200     $ 5,000
Purchase of investments $ 4,000          
Secured Second Lien Debt            
Debt Instrument [Line Items]            
Cost     $ 84,158 $ 81,147    
Secured Second Lien Debt | Ginsey Home Solutions, Inc.            
Debt Instrument [Line Items]            
Purchase of investments   $ 100        
[1] Cumulative gross unrealized appreciation for federal income tax purposes is $150.4 million; cumulative gross unrealized depreciation for federal income tax purposes is $119.3 million. Cumulative net unrealized appreciation is $31.1 million, based on a tax cost of $722.4 million.
[2] Cumulative gross unrealized appreciation for federal income tax purposes is $140.8 million; cumulative gross unrealized depreciation for federal income tax purposes is $97.1 million. Cumulative net unrealized appreciation is $43.8 million, based on a tax cost of $670.6 million.