FORWARD CURRENCY CONTRACTS - Forward Currency Contracts (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
FORWARD CURRENCY CONTRACTS
Realized gain (loss) on forward currency contracts	$ (6)	$ (206)	$ (348)	$ (209)
Foreign currency forward contracts
FORWARD CURRENCY CONTRACTS
Realized gain (loss) on forward currency contracts		1	(8)	(3)
Unrealized appreciation (depreciation) on forward currency contracts	10	187	10	186
Total net realized and unrealized gains (losses) on forward currency contracts	$ 10	$ 188	$ 2	$ 183

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