Loans (Narrative) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income recognized on non-accrual loans	$ 80,000	$ 28,000
Troubled debt restructurings	104,000	111,000
Allowance for troubled debt restructurings	0
Additional lending amount to customers whose loan terms has been modified in troubled debt restructuring	$ 0	$ 0
Number of loans modified as debt restructurings | loan	0	0
Number of loans that subsequently default after modification | loan	0	0
Threshold amount to individually classify loans by credit risk	$ 250,000
Commercial Real Estate Loans | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans outstanding with payment modifications still in effect | loan	1
Amount of loans outstanding with payment modification still in effect	$ 3,500,000
PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan interest rate	1.00%
Maturities of loans originated under first round	2 years
Maturities of loans originated under second round	5 years
Loans outstanding originated under first round		$ 351,260,000
Fees on loans originated under first round		$ 12,024,000
Number of loans originated under first round | loan		3,070
Forgiven loans originated under first round	$ 349,152,000
Net processing fees recognized on loans originated under first round	12,012,000
Loans outstanding originated under second round	157,042,000
Fees on loans originated during second round	$ 9,022,000
Number of loans originated under second round | loan	2,601
Forgiven loans originated during second round	$ 138,828,000
Net processing fees recognized on loans originated under second round	8,160,000
Loans outstanding under government program	20,322,000
Remaining fees on loans outstanding	$ 872,000