Fair Value Measurement - Loan Servicing Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			$ 18,388
Fair value, ending balance	$ 37,037		37,037
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			8,780
Fair value, ending balance	4,810		4,810
Fair Value, Inputs, Level 3
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			18,388
Fair value, ending balance	37,037		37,037
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance			8,780
Fair value, ending balance	4,810		4,810
Fair Value, Inputs, Level 3 | Loan Servicing Liabilities
Servicing Liability at Fair Value, Amount [Roll Forward]
Fair value, beginning balance	6,366	$ 11,883	8,780	$ 8,254
Sale of loans	9	2,783	2,296	10,610
Changes in fair value recorded in earnings	(1,565)	(7,478)	(6,266)	(11,676)
Fair value, ending balance	4,810	7,188	4,810	7,188
Loan Servicing Assets | Fair Value, Inputs, Level 3
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning balance	35,171	15,450	18,388	6,831
Sale of loans	6,048	4,904	26,066	14,833
Changes in fair value recorded in earnings	(4,182)	(7,974)	(7,417)	(9,284)
Fair value, ending balance	$ 37,037	$ 12,380	$ 37,037	$ 12,380