Fair Value Measurement and Fair Value of Financial Instruments - Carrying Amounts of Assets That Were Still Held and Had Fair Value Changes Measured on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	$ 72,614	$ 126,984
Commercial Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	71,391	124,240
Commercial Lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	40,011	102,349
Commercial Lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	31,380	21,891
Consumer Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	1,223	2,744
Consumer Lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	1,223	2,744
Other nonperforming assets
Fair Value, Assets Measured on a Nonrecurring Basis
Assets, fair value disclosure		391
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial Lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial Lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer Lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other nonperforming assets
Fair Value, Assets Measured on a Nonrecurring Basis
Assets, fair value disclosure		391
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Commercial Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Commercial Lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Commercial Lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Consumer Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Consumer Lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	0	0
Significant Other Observable Inputs (Level 2) | Other nonperforming assets
Fair Value, Assets Measured on a Nonrecurring Basis
Assets, fair value disclosure		0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	72,614	126,984
Significant Unobservable Inputs (Level 3) | Commercial Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	71,391	124,240
Significant Unobservable Inputs (Level 3) | Commercial Lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	40,011	102,349
Significant Unobservable Inputs (Level 3) | Commercial Lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	31,380	21,891
Significant Unobservable Inputs (Level 3) | Consumer Lending
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	1,223	2,744
Significant Unobservable Inputs (Level 3) | Consumer Lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Total loans held-for-investment	$ 1,223	2,744
Significant Unobservable Inputs (Level 3) | Other nonperforming assets
Fair Value, Assets Measured on a Nonrecurring Basis
Assets, fair value disclosure		$ 0