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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Investments, cost	$ 2,446,920	$ 2,535,576
Restricted cash not held in foreign currency	3,213	0
Foreign currencies, cost	$ 16,780	$ 13,023
Common stock par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	105,558,938	106,067,070
Common stock, shares outstanding (in shares)	105,558,938	106,067,070
Credit Support Agreements
Derivate asset, cost	$ 58,000	$ 58,000
Non-Control / Non-Affiliate investments
Investments, cost	1,969,767	2,053,548
Affiliate investments
Investments, cost	372,373	378,865
Control investments
Investments, cost	$ 104,780	$ 103,163

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