CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
INTEREST AND DIVIDEND INCOME:
Interest and fees on loans	$ 293,544	$ 273,220	$ 194,149
Processing fees on PPP loans	0	3	1,889
Securities and cash and cash equivalents:
Taxable	30,915	19,279	16,672
Tax-exempt	636	724	871
Dividends	375	470	157
Total interest and dividend income	325,470	293,696	213,738
INTEREST EXPENSE:
Deposits	133,493	97,770	19,833
Borrowed funds and finance lease liabilities	11	1,802	389
Subordinated debentures (includes $0, $(151), and $127 accumulated other comprehensive income reclassification for change in fair value of interest rate swap agreements, respectively)	4,497	4,295	3,857
Total interest expense	138,001	103,867	24,079
NET INTEREST INCOME	187,469	189,829	189,659
PROVISION FOR CREDIT LOSS EXPENSE	9,222	5,993	8,589
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSS EXPENSE	178,247	183,836	181,070
NON-INTEREST INCOME:
Service charges on deposit accounts	6,990	7,372	7,206
Other service charges and fees	2,973	3,010	3,196
Wealth and asset management fees	7,845	7,251	7,172
Net realized gains on available-for-sale securities (includes $74, $52, and $651 accumulated other comprehensive income reclassifications for net realized gains on available-for-sale securities, respectively)	74	52	651
Net realized gains on equity securities	0	22	0
Net unrealized gains (losses) on equity securities	754	(409)	(1,149)
Mortgage banking	673	676	1,237
Bank owned life insurance	3,110	2,945	3,433
Card processing and interchange income	8,666	8,301	7,797
Other non-interest income	8,029	4,115	5,223
Total non-interest income	39,114	33,335	34,766
NON-INTEREST EXPENSES:
Compensation and benefits (includes $(168), $(174), and $(113) accumulated other comprehensive income reclassifications for net amortization of actuarial (gains) losses, respectively)	74,536	71,062	71,460
Net occupancy expense	14,737	14,509	13,298
Technology expense	21,805	20,202	17,041
State and local taxes	4,726	4,126	4,078
Legal, professional and examination fees	4,217	4,414	4,173
Advertising	2,545	3,133	2,887
FDIC insurance	3,718	3,879	2,796
Card processing and interchange expenses	4,575	5,025	4,801
Other non-interest expenses	19,143	18,992	17,088
Total non-interest expenses	150,002	145,342	137,622
INCOME BEFORE INCOME TAXES	67,359	71,829	78,214
INCOME TAX EXPENSE (includes $51, $79, and $134 income tax expense reclassification items, respectively)	12,784	13,809	15,026
NET INCOME	54,575	58,020	63,188
PREFERRED STOCK DIVIDENDS	4,302	4,302	4,302
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 50,273	$ 53,718	$ 58,886
PER COMMON SHARE DATA:
Basic Earnings Per Common Share (in dollars per share)	$ 2.39	$ 2.56	$ 3.26
Diluted Earnings Per Common Share (in dollars per share)	2.39	2.55	3.26
Cash dividends declared (in dollars per share)	$ 0.710	$ 0.700	$ 0.700
OTHER COMPREHENSIVE INCOME (LOSS):
Net change in unrealized gains (losses) on available-for-sale securities, net of reclassification and tax	$ 1,715	$ 6,109	$ (53,576)
Amortization of unrealized gains from held-to-maturity securities, net of tax	545	591	875
Change in actuarial gains (losses), for post-employment health care plan, net of amortization and tax	245	(139)	150
Change in fair value of interest rate swap agreements designated as a cash flow hedge, net of interest and tax	0	(119)	425
Total other comprehensive income (loss)	2,505	6,442	(52,126)
COMPREHENSIVE INCOME	$ 57,080	$ 64,462	$ 11,062