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Borrowings - Unsecured Notes (Details) - USD ($) $ in Thousands							3 Months Ended		6 Months Ended
	Feb. 05, 2024	Jun. 15, 2022	Jan. 29, 2021	Apr. 30, 2019	Jul. 05, 2018	Jan. 30, 2018	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Mar. 18, 2024	Feb. 01, 2024	Dec. 31, 2023	Nov. 13, 2023	Jan. 30, 2023	Sep. 25, 2018
Debt Instrument [Line Items]
Face amount							$ 300,000		$ 300,000
Amortization of financing costs									4,001	$ 3,329
Unsecured Notes outstanding balance							685,974		685,974				$ 506,500
Unsecured Notes
Debt Instrument [Line Items]
Interest expense							11,874	$ 5,291	21,488	10,958
Amortization of financing costs							518	172	1,013	381
Amortization of debt discount (premium)							$ 155	$ 0	$ 257	$ 0
Weighted average interest rate							6.70%	4.80%	6.30%	4.80%
Effective interest rate							7.30%	5.00%	6.90%	5.00%
Average debt outstanding							$ 690,000	$ 439,852	$ 661,305	$ 455,091
Unsecured Notes | Minimum
Debt Instrument [Line Items]
Face amount							$ 150,000		$ 150,000
2018A Unsecured Notes | Unsecured Notes
Debt Instrument [Line Items]
Face amount						$ 90,000									$ 90,000
Term of debt						5 years
2018B Unsecured Notes | Unsecured Notes
Debt Instrument [Line Items]
Face amount					$ 50,000
Term of debt					5 years
2019A Unsecured Notes | Unsecured Notes
Debt Instrument [Line Items]
Face amount				$ 116,500
Term of debt				5 years
Repayment of long-term debt	$ 116,500
Stated interest rate				5.494%
2021A Unsecured Notes | Unsecured Notes
Debt Instrument [Line Items]
Face amount			$ 200,000
Term of debt			5 years
Stated interest rate			3.875%
2022A Unsecured Notes | Unsecured Notes
Debt Instrument [Line Items]
Face amount		$ 75,000
Term of debt		5 years
Stated interest rate		5.90%
8.25% Notes due 2028 | Unsecured Notes
Debt Instrument [Line Items]
Face amount														$ 115,000
Stated interest rate												8.25%		8.25%		8.25%
6.875% Notes due 2029 | Unsecured Notes
Debt Instrument [Line Items]
Face amount												$ 300,000
Stated interest rate												6.875%		6.875%
Derivative fixed interest rate							6.875%		6.875%		6.875%
Derivative floating interest rate											2.8183%
Notional Amount											$ 300,000
Estimated fair value, liability							$ (1,552)		$ (1,552)
Collateral amount							$ 1,650		$ 1,650

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