Statement of Income (Statement) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest and Other Income [Abstract]
Investment Income, Interest	$ 34,501	$ 26,995	$ 66,754	$ 52,928
Fee Income	100	0	1,072	44
Noninterest Income	550	433	953	1,805
Gross Investment Income, Operating	35,151	27,428	68,779	54,777
Operating Expenses [Abstract]
Base management fee	4,496	3,901	8,807	7,618
Income incentive fee	0	3,163	0	6,550
Interest Expense, Debt	9,944	6,126	19,189	11,225
Other Expenses	567	501	1,140	1,080
General and Administrative Expense	1,307	1,083	2,227	2,103
Operating Expenses	16,314	14,774	31,363	28,576
Net Investment Income	18,837	12,654	37,416	26,201
Realized and Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax [Abstract]
Realized Investment Gains (Losses)	1,859	(745)	1,826	(3,850)
Unrealized Gain (Loss) on Investments	(41,551)	(26,322)	(52,418)	(31,059)
Gain (Loss) on Investments	(39,692)	(27,067)	(50,592)	(34,909)
Net Income (Loss)	(20,855)	(14,413)	(13,176)	(8,708)
Net Income (Loss) Attributable to Parent, Total	$ (20,855)	$ (14,413)	$ (13,176)	$ (8,708)
Diluted net investment income per share of common stock (in dollars per share)	$ 0.53	$ 0.41	$ 1.06	$ 0.84
Basic net investment income per share of common stock (in dollars per share)	0.53	0.41	1.06	0.84
Net increase (decrease) in net assets resulting from operations per share of common stock	$ (0.59)	$ (0.46)	$ (0.37)	$ (0.28)
Basic weighted average shares of common stock outstanding (in shares)	35,398	31,037	35,373	31,024
Diluted weighted average shares of common stock outstanding (in shares)	35,398	31,037	35,373	31,024
Earnings Per Share, Diluted, Distributed		$ 0.36	$ 0.80	$ 0.72
Earnings Per Share, Basic, Distributed	$ 0.40	$ 0.36	$ 0.80	$ 0.72