CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INTEREST AND DIVIDEND INCOME:
Interest and fees on loans	$ 194,149	$ 157,799	$ 147,547
Processing fees on PPP loans	1,889	8,737	5,140
Securities and cash and cash equivalents:
Taxable	16,672	11,680	12,362
Tax-exempt	871	1,125	1,441
Dividends	157	259	677
Total interest and dividend income	213,738	179,600	167,167
INTEREST EXPENSE:
Deposits	19,833	15,062	24,142
Borrowed funds and finance lease liabilities	389	23	4,534
Subordinated debentures (includes $127, $276, and $224 accumulated other comprehensive income reclassification for change in fair value of interest rate swap agreements, respectively)	3,857	4,735	3,780
Total interest expense	24,079	19,820	32,456
NET INTEREST INCOME	189,659	159,780	134,711
PROVISION FOR CREDIT LOSS EXPENSE	8,589	6,003	15,354
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSS EXPENSE	181,070	153,777	119,357
NON-INTEREST INCOME:
Service charges on deposit accounts	7,206	6,195	5,095
Other service charges and fees	3,196	2,436	2,548
Wealth and asset management fees	7,172	6,740	5,497
Net realized gains on available-for-sale securities (includes $651, $783, and $2,190 accumulated other comprehensive income reclassifications for net realized gains on available-for-sale securities, respectively)	651	783	2,190
Net realized gains on equity securities	0	0	75
Net unrealized gains on equity securities	(1,149)	790	253
Mortgage banking	1,237	3,147	3,354
Bank owned life insurance	3,433	2,638	1,747
Card processing and interchange income	7,797	7,796	5,727
Other non-interest income	5,223	2,909	1,573
Total non-interest income	34,766	33,434	28,059
NON-INTEREST EXPENSES:
Compensation and benefits (includes $(113), $(43), and $— accumulated other comprehensive income reclassifications for net amortization of actuarial (gains) losses, respectively)	71,460	61,175	48,723
Net occupancy expense	13,298	12,381	12,333
Technology expense	17,041	11,723	7,153
State and local taxes	4,078	4,057	3,340
Legal, professional and examination fees	4,173	3,517	2,990
Advertising	2,887	2,081	1,993
FDIC insurance	2,796	2,509	2,414
Card processing and interchange expenses	4,801	3,836	3,135
Other non-interest expenses	17,088	15,154	12,603
Merger costs, prepayment penalties and branch closure costs	0	0	12,642
Total non-interest expenses	137,622	116,433	107,326
INCOME BEFORE INCOME TAXES	78,214	70,778	40,090
INCOME TAX EXPENSE (includes $134, $116, and $413 income tax expense reclassification items, respectively)	15,026	13,071	7,347
NET INCOME	63,188	57,707	32,743
PREFERRED STOCK DIVIDENDS	4,302	4,302	1,147
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 58,886	$ 53,405	$ 31,596
PER COMMON SHARE DATA:
Basic Earnings Per Common Share (in dollars per share)	$ 3.26	$ 3.16	$ 1.97
Diluted Earnings Per Common Share (in dollars per share)	3.26	3.16	1.97
Cash Dividends Declared (in dollars per share)	$ 0.700	$ 0.685	$ 0.680
OTHER COMPREHENSIVE INCOME (LOSS):
Net change in unrealized gains (losses) on available-for-sale securities, net of reclassification and tax	$ (53,576)	$ (16,044)	$ 8,140
Amortization of unrealized gains from held-to-maturity securities, net of tax	875	0	0
Change in actuarial gain, for post-employment health care plan, net of amortization and tax	150	275	219
Change in fair value of interest rate swap agreements designated as a cash flow hedge, net of interest and tax	425	301	(224)
Total other comprehensive income (loss)	(52,126)	(15,468)	8,135
COMPREHENSIVE INCOME	$ 11,062	$ 42,239	$ 40,878