Acquisitions - NS Leasing Narrative (Details) - USD ($) $ in Thousands			12 Months Ended
		Apr. 01, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Loans	[1]		$ 4,707,150	$ 4,481,600
Goodwill			292,397	264,193	$ 171,260
Professional fees			12,094	15,783	$ 6,912
Leases
Business Acquisition [Line Items]
Loans			345,131	$ 122,508
North Star Leasing
Business Acquisition [Line Items]
Total consideration		$ 118,846
Potential earnout payments		3,100
Goodwill		24,720
Other intangible assets		14,009
Contingent consideration		3,000
Professional fees			$ 90
North Star Leasing | Leases
Business Acquisition [Line Items]
Loans		83,300
North Star Leasing | Short-term Debt
Business Acquisition [Line Items]
Total consideration		69,100
North Star Leasing | Cash
Business Acquisition [Line Items]
Total consideration		$ 116,500

[1] Also referred to throughout this Form 10-K as "total loans" and "loans held for investment."