Borrowings - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended		9 Months Ended
	Sep. 06, 2024	May 23, 2024	Jun. 28, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Nov. 07, 2024	Oct. 07, 2024	Dec. 31, 2023
Line of Credit Facility [Line Items]
Amortization of deferred financing costs						$ 586	$ 259
BMO Subscription Line
Line of Credit Facility [Line Items]
Credit facility outstanding balance				$ 215,500		215,500				$ 60,800
Average debt outstanding						98,529	58,655
UBS Credit Facility
Line of Credit Facility [Line Items]
Credit facility outstanding balance				226,400		226,400				250,000
Average debt outstanding						248,364	71,530
Wells Credit Facility
Line of Credit Facility [Line Items]
Credit facility outstanding balance				247,700		247,700				0
Average debt outstanding						218,114
Revolving Credit Facility | BMO Subscription Line | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 300,000
Period for outstanding balance due on demand	15 days
Period for outstanding balance after date of advance	6 months
Interest expense				2,143	$ 1,160	6,054	3,440
Amortization of deferred financing costs				74	$ 11	127	$ 20
Credit facility outstanding balance				$ 215,500		$ 215,500				$ 60,800
Weighted average interest rate				8.10%	8.20%	8.20%	7.80%
Effective interest rate				8.40%	8.20%	8.40%	7.90%
Average debt outstanding				$ 104,865	$ 56,390	$ 98,529	$ 58,655
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 | BMO Subscription Line | Line of Credit | Subsequent Event
Line of Credit Facility [Line Items]
Maximum borrowing capacity								$ 200,000
Revolving Credit Facility | UBS Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 250,000
Interest expense				5,102	2,358	15,441	4,204
Non-usage fee				6	172	6	592
Amortization of deferred financing costs				$ 88	$ 89	$ 262	$ 239
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				8.10%	8.10%	8.20%	8.00%
Effective interest rate				8.30%	9.10%	8.30%	10.20%
Average debt outstanding				$ 245,126	$ 112,291	$ 248,364	$ 71,530
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 | UBS Credit Facility | Line of Credit | Subsequent Event
Line of Credit Facility [Line Items]
Maximum borrowing capacity								$ 350,000
Revolving Credit Facility | Wells Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 250,000
Interest expense				4,642		6,041
Non-usage fee				14		57
Amortization of deferred financing costs				$ 139		$ 198
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				7.90%		7.90%
Average debt outstanding				$ 238,543		$ 218,114
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%
Revolving Credit Facility | Wells Credit Facility | Line of Credit | Subsequent Event
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 500,000