Summary Of Significant Accounting And Reporting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) branch	Mar. 10, 2023	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Condensed Financial Statements, Captions [Line Items]
Number of Reportable Segments	1
DiscontinuationofInterestThresholdDays	90 days
Financing Receivable, Threshold Period Past Due	30 days
Threshold period past due for write-off of financing receivable	120 days
Other real estate, foreclosed assets, and repossessed assets	$ 700		$ 900
Amortization Method Qualified Affordable Housing Project Investments	44,600		42,100
Qualified Affordable Housing Project Investments, Commitment	27,900		30,900
Total Shareholders’ Equity	677,066		577,852	$ 681,105
Retained Earnings
Condensed Financial Statements, Captions [Line Items]
Total Shareholders’ Equity	$ 780,299		706,696	$ 641,826
Revision of Prior Period, Accounting Standards Update, Adjustment | Retained Earnings
Condensed Financial Statements, Captions [Line Items]
Total Shareholders’ Equity			$ 200
Citizens Commerce Bancshares, Inc.
Condensed Financial Statements, Captions [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
City National
Condensed Financial Statements, Captions [Line Items]
Number of offices | branch	98