Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net increase (decrease) in net assets resulting from operations	$ 138,798	$ 107,240
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Net unrealized (appreciation) depreciation on investments	11,403	2,147
Net unrealized (appreciation) depreciation on translation of assets and liabilities in foreign currencies	3,141	(735)
Net realized (gain) loss on investments	3,486	(5,382)
Payment-in-kind interest capitalized	(12,371)	(10,690)
Net accretion of discount and amortization of premium	(9,135)	(10,590)
Amortization of deferred financing costs	1,125	839
Amortization of debt financing and debt issuance costs	2,549	2,582
Purchases of investments	(102,265)	(277,733)
Proceeds from sale of investments and principal repayments	109,051	133,142
Changes in operating assets and liabilities:
Interest receivable	20,334	(14,777)
Receivable for investments sold	22,602	67,900
Other assets	0	163
Payable for investments purchased	(13,409)	13,954
Due to affiliates	2,991	(342)
Management fee payable	(73)	1,419
Income based incentive fee payable	1,278	(1,566)
Capital gains incentive fee payable	(1,557)	681
Interest payable	(25,111)	(24,725)
Accrued expenses and other liabilities	3,027	(2,698)
Net cash provided by (used in) operating activities	155,864	(19,171)
Cash flows from financing activities:
Borrowings on debt	84,000	136,892
Repayments on debt	(176,658)	(69)
Deferred financing costs paid	(2,350)	(400)
Deferred offering costs paid on issuance of common shares	0	(956)
Dividends paid in cash	(91,753)	(78,246)
Net cash provided by (used in) financing activities	(186,761)	57,221
Net increase (decrease) in cash and cash equivalents	(30,897)	38,050
Effect of foreign exchange rate changes on cash and cash equivalents	2,650	0
Cash and cash equivalents, beginning of period	131,272	102,879
Cash and cash equivalents, end of period	103,025	140,929
Supplemental information and non-cash activities:
Interest paid during the period	88,513	61,442
Distribution payable	112,400	132,318
Reinvestment of distributions during the period	5,132	11,468
Accrued but unpaid offering costs	0	618
Excise taxes paid	$ 5,245	$ 4,106