Borrowings - Schedule of Components of Interest Expense Amortization of Deferred Debt Costs, Unused Fees on Credit Facility and Other Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Debt Instrument [Line Items]
Interest Expense	$ 9,179	$ 10,047
Amortization of Deferred Debt Costs	840	701
Unused Facility and Other Fees	841	172
Total Interest and Other Debt Financing Expenses	$ 10,860	$ 10,920
Weighted Average Cost of Debt	9.01%	7.86%
Credit Facility
Debt Instrument [Line Items]
Interest Expense	$ 5,007	$ 6,409
Amortization of Deferred Debt Costs	480	394
Unused Facility and Other Fees	841	172
Total Interest and Other Debt Financing Expenses	$ 6,328	$ 6,975
Weighted Average Cost of Debt	10.77%	8.37%
April 2026 Notes
Debt Instrument [Line Items]
Interest Expense	$ 534
Amortization of Deferred Debt Costs	30
Total Interest and Other Debt Financing Expenses	$ 564
Weighted Average Cost of Debt	9.03%
December 2026 Notes
Debt Instrument [Line Items]
Interest Expense	$ 744	$ 744
Amortization of Deferred Debt Costs	55	52
Total Interest and Other Debt Financing Expenses	$ 799	$ 796
Weighted Average Cost of Debt	4.56%	4.55%
July 2027 Notes
Debt Instrument [Line Items]
Interest Expense	$ 1,509	$ 1,509
Amortization of Deferred Debt Costs	144	129
Total Interest and Other Debt Financing Expenses	$ 1,653	$ 1,638
Weighted Average Cost of Debt	8.22%	8.14%
August 2027 Notes
Debt Instrument [Line Items]
Interest Expense	$ 350	$ 350
Amortization of Deferred Debt Costs	35	35
Total Interest and Other Debt Financing Expenses	$ 385	$ 385
Weighted Average Cost of Debt	7.70%	7.70%
December 2027 Notes
Debt Instrument [Line Items]
Interest Expense	$ 1,035	$ 1,035
Amortization of Deferred Debt Costs	96	91
Total Interest and Other Debt Financing Expenses	$ 1,131	$ 1,126
Weighted Average Cost of Debt	8.74%	8.71%