Description of Business and Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) branch shares	Dec. 31, 2021 USD ($) shares
Property, Plant and Equipment [Line Items]
Percentage of capital stock of the Bank held	100.00%
Number of depository branches | branch	59
Cash reserves required by the Federal Reserve	$ 0
Stock option, issued (in shares) | shares	0	0
Valuation allowance	$ 0	$ 0
Minimum | Core Deposits
Property, Plant and Equipment [Line Items]
Weighted average useful life (in years)	6 years
Maximum | Core Deposits
Property, Plant and Equipment [Line Items]
Weighted average useful life (in years)	11 years
Premises
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years
Furniture, fixtures, and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	7 years
Computer and telecommunication
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years