Long Term Debt - Information About Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Senior Unsecured Notes | Senior unsecured notes
Line of Credit Facility [Line Items]
Interest expense and fees	$ 11,711	$ 5,952
Amortization of deferred financing costs and original issue discount	562	295
Total	12,273	6,247
Secured Borrowings | Master Trust Funding Program
Line of Credit Facility [Line Items]
Interest expense and fees	0	3,551	$ 7,619
Amortization of deferred financing costs	0	312	656
Total	0	3,863	8,275
Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Interest expense and fees	2,807	1,552	1,367
Amortization of deferred financing costs	1,217	1,165	1,165
Total	4,024	2,717	2,532
Unsecured term loans | Line of Credit | April 2024 And February 2027 And February 2028 Term Loan
Line of Credit Facility [Line Items]
Interest expense and fees	23,967	9,819	11,685
Amortization of deferred financing costs	836	736	711
Total	$ 24,803	$ 10,555	$ 12,396