Consolidated Statements Of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest Income
Interest and fees on loans	$ 60,917,000	$ 59,128,000
Interest and dividends on investment securities:
Taxable	13,945,000	12,040,000
Tax-exempt	724,000	830,000
Interest on deposits in depository institutions	1,802,000	1,570,000
Total Interest Income	77,388,000	73,568,000
Interest Expense
Interest on deposits	16,852,000	14,097,000
Interest on securities sold under agreements to repurchase	3,169,000	3,621,000
Interest on FHLB long-term advances	1,552,000	1,423,000
Total Interest Expense	21,573,000	19,141,000
Net Interest Income	55,815,000	54,427,000
Provision for (Recovery of) credit losses	0	(180,000)
Net Interest Income After Provision for (Recovery of) Credit Losses	55,815,000	54,607,000
Non-Interest Income
Losses on sale of investment securities, net	0	(1,000)
Unrealized losses recognized on equity securities still held, net	(5,000)	(152,000)
Bank owned  life insurance	1,153,000	927,000
Other income	729,000	716,000
Total Non-Interest Income	18,737,000	17,948,000
Non-Interest Expense
Salaries and employee benefits	19,194,000	18,878,000
Occupancy related expense	2,582,000	2,452,000
Equipment and software related expense	3,470,000	2,929,000
FDIC insurance expense	776,000	711,000
Advertising	873,000	867,000
Bankcard expenses	2,215,000	2,039,000
Legal and professional fees	582,000	482,000
Repossessed asset (gains) losses, net of expenses	(66,000)	229,000
Other expenses	5,747,000	5,294,000
Total Non-Interest Expense	37,635,000	35,900,000
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	36,917,000	36,655,000
Income tax expense	6,575,000	7,132,000
Net Income Available to Common Shareholders	$ 30,342,000	$ 29,523,000
Earnings Per Share [Abstract]
Basic earnings per common share (in dollars per share)	$ 2.06	$ 1.98
Diluted earnings per common share (in dollars per share)	$ 2.06	$ 1.97
Taxes, Miscellaneous	$ 2,262,000	$ 2,019,000
Retained Earnings
Non-Interest Expense
Net Income Available to Common Shareholders	30,342,000	29,523,000
Service charges
Non-Interest Income
Revenue from contract with customer	7,151,000	7,035,000
Bankcard revenue
Non-Interest Income
Revenue from contract with customer	6,807,000	6,800,000
Wealth and investment management fee income
Non-Interest Income
Revenue from contract with customer	$ 2,902,000	$ 2,623,000