Fair Value Measurement - Loan Servicing Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			$ 18,388
Fair value, ending balance	$ 35,171		35,171
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			8,780
Fair value, ending balance	6,366		6,366
Fair Value, Inputs, Level 3
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			18,388
Fair value, ending balance	35,171		35,171
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			8,780
Fair value, ending balance	6,366		6,366
Fair Value, Inputs, Level 3 | Loan Servicing Liabilities
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance	8,290	$ 10,853	8,780	$ 8,254
Sale of loans	382	4,308	2,286	7,827
Changes in fair value recorded in earnings	(2,306)	(3,278)	(4,700)	(4,198)
Fair value, ending balance	6,366	11,883	6,366	11,883
Loan Servicing Assets | Fair Value, Inputs, Level 3
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance	27,960	8,734	18,388	6,831
Sale of loans	9,408	6,477	20,018	9,929
Changes in fair value recorded in earnings	(2,197)	239	(3,235)	(1,310)
Fair value, ending balance	$ 35,171	$ 15,450	$ 35,171	$ 15,450