Fair Value and Interest Rate Risk - Quantitative Information About Level 3 Fair Value Measurements (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
SBA servicing assets	$ 882	$ 886
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, net	13,003	12,873
SBA servicing assets	$ 977	$ 1,013
Level 3 | Real Estate Appraisals | Minimum | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, net	0.058	0.058
Level 3 | Real Estate Appraisals | Maximum | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, net	0.20	0.20
Level 3 | Discounted Cash Flows | Minimum | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
SBA servicing assets	0.1473	0.1473
Level 3 | Discounted Cash Flows | Maximum | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
SBA servicing assets	0.1490	0.1490