Allowance For Loan Losses (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, Evaluated for impairment, Individually	$ 1,000	$ 1,000
Threshold period past due for write-off of financing receivable	120 days
Provision for (recovery of) credit losses	$ 3,243	474	$ (3,165)
Financing Receivable, Nonaccrual, Interest Income	$ 0	0	0
Financing Receivable, Threshold Period Past Due	30 days
Threshold Period for Discontinuance of Interest Accrual	90 days
Loan Review Selection Threshold ($)	$ 1,000	1,000	1,000
Citizens Commerce Bancshares, Inc.
Financing Receivable, Allowance for Credit Loss [Line Items]
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Allowance For Credit Losses - Loans	2,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	2,800
Commercial Borrower
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recovery of) credit losses	$ 1,300
Residential Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of financing receivable	120 days
Provision for (recovery of) credit losses	$ 271	(123)	(2,239)
Commercial Industrial Loans And Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of financing receivable	120 days
Consumer Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of financing receivable	180 days
Provision for (recovery of) credit losses	$ 225	$ (40)	$ (70)