Borrowings - Encore Private Placement Notes - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Aug. 31, 2017
Debt Instrument [Line Items]
Debt issued	$ 347,655,000	$ 272,500,000
Encore private placement notes | Notes Payable, Other Payables
Debt Instrument [Line Items]
Debt issued			$ 325,000,000
Long-term debt	$ 48,850,000	$ 68,390,000
Stated interest rate (as a percent)	5.625%
Senior secured notes, periodic principal repayment	$ 9,800,000