Consolidated Statements Of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest Income
Interest and fees on loans	$ 59,285,000	$ 52,352,000	$ 118,413,000	$ 99,356,000
Interest and dividends on investment securities:
Taxable	13,947,000	11,794,000	25,987,000	23,567,000
Tax-exempt	838,000	950,000	1,668,000	2,112,000
Interest on deposits in depository institutions	1,920,000	2,585,000	3,490,000	4,176,000
Total Interest Income	75,990,000	67,681,000	149,558,000	129,211,000
Interest Expense
Interest on deposits	15,897,000	8,567,000	29,994,000	14,257,000
Interest on short-term borrowings	3,900,000	2,963,000	7,521,000	5,344,000
Interest on FHLB long-term advances	1,568,000	649,000	2,991,000	649,000
Total Interest Expense	21,365,000	12,179,000	40,506,000	20,250,000
Net Interest Income	54,625,000	55,502,000	109,052,000	108,961,000
Provision for credit losses	500,000	425,000	320,000	3,343,000
Net Interest Income After Provision for Credit Losses	54,125,000	55,077,000	108,732,000	105,618,000
Non-Interest Income
(Losses) gains on sale of investment securities, net	0	0	(1,000)	773,000
Unrealized gains (losses) recognized on equity securities still held, net	364,000	(294,000)	212,000	67,000
Bank owned  life insurance	775,000	3,208,000	1,702,000	4,012,000
Other income	785,000	952,000	1,501,000	2,278,000
Total Non-Interest Income	18,911,000	20,301,000	36,859,000	38,983,000
Non-Interest Expense
Salaries and employee benefits	18,751,000	18,429,000	37,629,000	36,102,000
Occupancy related expense	2,856,000	2,811,000	5,696,000	5,451,000
Equipment and software related expense	3,130,000	2,883,000	6,059,000	5,975,000
FDIC insurance expense	718,000	690,000	1,429,000	1,135,000
Advertising	972,000	974,000	1,839,000	1,734,000
Bankcard expenses	2,290,000	1,736,000	4,329,000	3,245,000
Postage, delivery, and statement mailings	714,000	596,000	1,380,000	1,243,000
Office supplies	432,000	591,000	885,000	1,011,000
Legal and professional fees	551,000	558,000	1,033,000	1,028,000
Telecommunications	624,000	623,000	1,224,000	1,229,000
Repossessed asset losses, net of expenses	6,000	22,000	235,000	38,000
Merger related expenses	0	0	0	5,645,000
Other expenses	5,728,000	4,848,000	10,934,000	9,548,000
Total Non-Interest Expense	36,772,000	34,761,000	72,672,000	73,384,000
Income Before Income Taxes	36,264,000	40,617,000	72,919,000	71,217,000
Income tax expense	7,149,000	7,884,000	14,281,000	14,143,000
Net Income Available to Common Shareholders	$ 29,115,000	$ 32,733,000	$ 58,638,000	$ 57,074,000
Earnings Per Share [Abstract]
Basic earnings per common share (in dollars per share)	$ 1.96	$ 2.16	$ 3.95	$ 3.80
Diluted earnings per common share (in dollars per share)	$ 1.96	$ 2.16	$ 3.94	$ 3.79
Retained Earnings
Non-Interest Expense
Net Income Available to Common Shareholders	$ 29,115,000	$ 32,733,000	$ 58,638,000	$ 57,074,000
Service charges
Non-Interest Income
Revenue from contract with customer	6,980,000	6,906,000	14,015,000	13,469,000
Bankcard revenue
Non-Interest Income
Revenue from contract with customer	7,245,000	7,190,000	14,045,000	13,793,000
Trust and investment management fee income
Non-Interest Income
Revenue from contract with customer	$ 2,762,000	$ 2,339,000	$ 5,385,000	$ 4,591,000