Allowance For Credit Losses (Narrative) (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) contract	Mar. 31, 2022 USD ($)	Mar. 10, 2023 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, Impaired [Line Items]
Threshold period for discontinuance of interest accrual	90 days
Financing receivable, nonaccrual, interest income	$ 0	$ 0
Collateral dependent loans	0			$ 0
Impaired financing receivable, interest income forgone	$ 100,000	100,000
Financing receivable, threshold period past due	30 days
Loans, Evaluated for impairment, Individually	$ 1,000,000
Provision for (recovery of) credit losses	2,918,000	(756,000)
Citizens Commerce Bancshares, Inc.
Financing Receivable, Impaired [Line Items]
Allowance for credit losses acquired			$ 2,000,000
Allowance for credit losses			$ 2,800,000
Commercial Borrower
Financing Receivable, Impaired [Line Items]
Provision for (recovery of) credit losses	$ 900,000
Number of loans downgraded | contract	2
Residential real estate
Financing Receivable, Impaired [Line Items]
Threshold period past due for write-off of financing receivable	120 days
Provision for (recovery of) credit losses	$ 214,000	(672,000)
Commercial Industrial Loans And Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Threshold period past due for write-off of financing receivable	120 days
Consumer
Financing Receivable, Impaired [Line Items]
Threshold period past due for write-off of financing receivable	180 days
Provision for (recovery of) credit losses	$ 302,000	$ (25,000)