Consolidated Statements Of Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest Income
Interest and fees on loans	$ 61,407,000	$ 55,582,000	$ 179,820,000	$ 154,939,000
Interest and dividends on investment securities:
Taxable	14,403,000	12,432,000	40,390,000	35,999,000
Tax-exempt	824,000	910,000	2,492,000	3,022,000
Interest on deposits in depository institutions	1,417,000	1,265,000	4,907,000	5,440,000
Total Interest Income	78,051,000	70,189,000	227,609,000	199,400,000
Interest Expense
Interest on deposits	17,072,000	10,551,000	47,066,000	24,808,000
Interest on short-term borrowings	3,788,000	2,990,000	11,309,000	8,334,000
Interest on FHLB long-term advances	1,586,000	1,034,000	4,577,000	1,683,000
Total Interest Expense	22,446,000	14,575,000	62,952,000	34,825,000
Net Interest Income	55,605,000	55,614,000	164,657,000	164,575,000
Provision for credit losses	1,200,000	200,000	1,520,000	3,543,000
Net Interest Income After Provision for Credit Losses	54,405,000	55,414,000	163,137,000	161,032,000
Non-Interest Income
(Losses) gains on sale of investment securities, net	(12,000)	(730,000)	(13,000)	43,000
Unrealized gains recognized on equity securities still held, net	353,000	0	565,000	67,000
Bank owned  life insurance	1,435,000	807,000	3,137,000	4,819,000
Other income	772,000	742,000	2,273,000	3,020,000
Total Non-Interest Income	20,348,000	17,410,000	57,207,000	56,393,000
Non-Interest Expense
Salaries and employee benefits	19,245,000	18,289,000	56,874,000	54,391,000
Occupancy related expense	2,774,000	2,950,000	8,470,000	8,401,000
Equipment and software related expense	3,431,000	2,830,000	9,490,000	8,805,000
FDIC insurance expense	734,000	919,000	2,163,000	2,054,000
Advertising	1,081,000	790,000	2,920,000	2,524,000
Bankcard expenses	2,271,000	2,188,000	6,600,000	5,433,000
Postage, delivery, and statement mailings	666,000	668,000	2,046,000	1,911,000
Office supplies	480,000	457,000	1,365,000	1,468,000
Legal and professional fees	500,000	529,000	1,533,000	1,557,000
Telecommunications	578,000	568,000	1,802,000	1,797,000
Repossessed asset losses, net of expenses	21,000	40,000	256,000	78,000
Merger related expenses	0	2,000	0	5,647,000
Other expenses	5,857,000	4,798,000	16,791,000	14,346,000
Total Non-Interest Expense	37,638,000	35,028,000	110,310,000	108,412,000
Income Before Income Taxes	37,115,000	37,796,000	110,034,000	109,013,000
Income tax expense	7,306,000	7,957,000	21,587,000	22,100,000
Net Income Available to Common Shareholders	$ 29,809,000	$ 29,839,000	$ 88,447,000	$ 86,913,000
Earnings Per Share [Abstract]
Basic earnings per common share (in dollars per share)	$ 2.02	$ 1.98	$ 5.96	$ 5.78
Diluted earnings per common share (in dollars per share)	$ 2.02	$ 1.98	$ 5.96	$ 5.77
Retained Earnings
Non-Interest Expense
Net Income Available to Common Shareholders	$ 29,809,000	$ 29,839,000	$ 88,447,000	$ 86,913,000
Service charges
Non-Interest Income
Revenue from contract with customer	7,531,000	7,124,000	21,546,000	20,593,000
Bankcard revenue
Non-Interest Income
Revenue from contract with customer	7,346,000	7,058,000	21,391,000	20,851,000
Trust and investment management fee income
Non-Interest Income
Revenue from contract with customer	$ 2,923,000	$ 2,409,000	$ 8,308,000	$ 7,000,000