DERIVATIVE INSTRUMENTS - Schedule of Net Realized Gains or Losses on Forward Currency Contracts (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Net realized gains (losses) - foreign currency transactions	$ (2,320)	$ (2,709)	$ (12,837)	$ (4,002)
Net unrealized appreciation (depreciation) - foreign currency transactions	(577)	30,520	4,798	35,332
Forward Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Net realized gains (losses) - foreign currency transactions	(2,692)	(435)	(16,911)	2
Net unrealized appreciation (depreciation) - foreign currency transactions	$ 2,262	$ 12,685	$ 15,764	$ 11,782

Amount, before tax, of unrealized gain (loss) from foreign currency transaction.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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