Fair Value Measurement - Loan Servicing Sensitivity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value of loan servicing assets	$ 34,650	$ 36,467
Fair value of loan servicing liabilities	3,142	3,968
Fair Value, Inputs, Level 3
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value of loan servicing assets	34,650	36,467
Fair value of loan servicing liabilities	3,142	3,968
Fair Value, Inputs, Level 3 | Loan Servicing Liabilities
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value of loan servicing liabilities	3,142	3,968	$ 8,290	$ 8,780
10% market-servicing rates increase	1,936	2,303
20% market-servicing rates increase	3,821	4,640
Fair Value, Inputs, Level 3 | Loan Servicing Assets
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value of loan servicing assets	34,650	36,467	$ 27,960	$ 18,388
10% market-servicing rates increase	(9,090)	(9,989)
20% market-servicing rates increase	$ (18,508)	$ (19,950)