Borrowings - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
	May 23, 2024	Jun. 28, 2023	May 09, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Line of Credit Facility [Line Items]
Amortization of deferred financing costs						$ 286	$ 159
BMO Subscription Line
Line of Credit Facility [Line Items]
Credit facility outstanding balance				$ 28,200		28,200		$ 60,800
Average debt outstanding						95,326	59,806
UBS Credit Facility
Line of Credit Facility [Line Items]
Credit facility outstanding balance				250,000		250,000		250,000
Average debt outstanding						250,000	47,645
Wells Credit Facility
Line of Credit Facility [Line Items]
Credit facility outstanding balance				206,600		206,600		0
Average debt outstanding						169,462
Revolving Credit Facility | BMO Subscription Line | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 200,000		$ 300,000
Period for outstanding balance due on demand			15 days
Period for outstanding balance after date of advance			6 months
Interest expense				1,857	$ 1,075	3,911	2,280
Amortization of deferred financing costs				8	$ 5	53	$ 9
Credit facility outstanding balance				$ 28,200		$ 28,200		$ 60,800
Weighted average interest rate				8.30%	7.90%	8.30%	7.70%
Effective interest rate				8.30%	8.00%	8.40%	7.70%
Average debt outstanding				$ 90,520	$ 54,366	$ 95,326	$ 59,806
Revolving Credit Facility | BMO Subscription Line | Line of Credit | Prime Rate
Line of Credit Facility [Line Items]
Interest rate margin plus (minus)			(0.25%)
Revolving Credit Facility | BMO Subscription Line | Line of Credit | SOFR, Quoted Rate
Line of Credit Facility [Line Items]
Interest rate margin plus (minus)			2.50%
Revolving Credit Facility | BMO Subscription Line | Line of Credit | Three-month term SOFR
Line of Credit Facility [Line Items]
Interest rate margin plus (minus)			0.15%
Revolving Credit Facility | UBS Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 250,000
Interest expense				5,165	1,387	10,339	1,846
Non-usage fee				0	224	0	420
Amortization of deferred financing costs				$ 87	$ 91	$ 174	$ 150
Borrowing capacity, first percentage		30.00%
Borrowing capacity, second percentage		40.00%
Borrowing capacity, third percentage		50.00%
Borrowing capacity, fourth percentage		65.00%
Borrowing capacity, fifth percentage		70.00%
Borrowing capacity, sixth percentage		75.00%
Weighted average interest rate				8.20%	7.80%	8.20%	7.80%
Effective interest rate				8.30%	9.70%	8.30%	11.70%
Average debt outstanding				$ 250,000	$ 69,793	$ 250,000	$ 47,645
Revolving Credit Facility | UBS Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Interest rate margin plus (minus)		2.85%
Revolving Credit Facility | Wells Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 250,000
Interest expense				1,399		1,399
Non-usage fee				43		43
Amortization of deferred financing costs				$ 59		$ 59
Borrowing capacity, first percentage	25.00%
Borrowing capacity, second percentage	45.00%
Borrowing capacity, third percentage	55.00%
Borrowing capacity, fourth percentage	67.50%
Borrowing capacity, fifth percentage	70.00%
Weighted average interest rate				7.60%		7.60%
Effective interest rate				8.20%		8.20%
Revolving Credit Facility | Wells Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Interest rate margin plus (minus)	2.30%