Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Federal reserve bank minimum reserve required	$ 0
Financing receivable, after allowance	$ 1,182,159,000	$ 1,119,536,000
Number of days delinquent at which accrual of interest on loan is discontinued	90 days
Federal home loan bank stock, par value (usd per share)	$ 100
Subsidiaries
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, after allowance	$ 1,000,000