STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Dec. 31, 2022	Mar. 31, 2022
Investment cost	$ 2,607,174	$ 2,745,829
Foreign currencies, cost	$ 2,404	$ 601
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	130,000,000	130,000,000
Common stock, shares issued	65,451,359	63,647,240
Common stock, shares outstanding	65,451,359	63,647,240
Non-controlled/Non-affiliated Investments
Investment cost	$ 2,019,573	$ 2,001,907
Non-controlled/Affiliated Investments
Investment cost	121,307	130,866
Controlled Investments
Investment cost	$ 466,294	$ 613,056

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