Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 99,066	$ 98,905	$ 60,582
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	7,662	5,359	5,333
Provision for credit losses	8,284	3,486	55,704
Deferred income taxes	(4,682)	15,272	(14,530)
Stock-based compensation expense	2,438	2,352	2,150
Deferred compensation expense accrued	4,062	4,580	3,821
Gains on other real estate owned, net	(129)	(1,754)	(317)
Amortization of premiums on securities, net	1,337	1,933	969
Caplet amortization	1,001	697	551
Fair value gain on derivatives	(1,975)	(170)
Securities (gains) losses, net		88	(2,484)
Loans originated for sale	(99,394)	(204,449)	(236,734)
Proceeds on sales of loans	107,487	209,003	241,553
Gains on sales of residential real estate loans	(2,411)	(4,397)	(4,680)
Gains on sales of government guaranteed portions of loans	(119)	(227)	(224)
Loss on liability extinguishment, net			3,907
Losses (gains) on sales and disposals of premises and equipment	378	1,059	(19)
Amortization of intangibles	2,854	2,032	2,149
Accretion of acquisition fair value adjustments, net	(8,581)	(1,340)	(3,271)
Increase in cash value of bank-owned life insurance	(2,056)	(1,838)	(1,904)
Loss on sale of subsidiary/certain assets and liabilities of subsidiary			158
Goodwill impairment			500
Increase in other assets	(42,572)	(47,006)	(9,445)
Increase in other liabilities	46,049	4,633	8,408
Net cash provided by operating activities	118,699	88,218	112,177
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in federal funds sold	(44,540)	(3,290)	720
Net decrease in interest-bearing deposits at financial institutions	25,066	11,304	61,295
Proceeds from sales of other real estate owned	482	4,742	4,477
Activity in securities portfolio:
Purchases	(230,501)	(173,204)	(356,127)
Calls, maturities and redemptions	43,638	106,442	53,007
Paydowns	31,805	65,410	47,313
Sales	111,375	23,874	38,562
Activity in restricted investment securities:
Purchases	(23,086)	(1,280)	(4,600)
Redemptions	2,158	30	9,749
Proceeds from the liquidation of bank-owned life insurance			10,999
Net increase in loans/leases originated and held for investment	(654,861)	(433,544)	(564,748)
Purchase of premises and equipment	(33,261)	(13,981)	(4,268)
Proceeds from sales of premises and equipment	2,060	1,726	101
Payment for termination of derivative			(808)
Net cash transferred out in sale of subsidiary			(154)
Purchase of bank-owned life insurance	(10,000)
Net cash acquired from acquisition	144,973
Net cash used in investing activities	(634,692)	(411,771)	(704,482)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposit accounts	(15,128)	323,635	716,898
Net increase (decrease) in short-term borrowings	125,830	(1,630)	(7,993)
Activity in Federal Home Loan Bank advances:
Term advances			125,000
Calls and maturities			(121,600)
Net change in short-term and overnight advances	400,000		(94,300)
Prepayments	(16,000)		(55,274)
Activity in other borrowings:
Proceeds from other borrowings	10,000
Paydown of revolving line of credit	(10,000)
Prepayments on brokered and public time deposits			(29,153)
Prepayments of subordinated notes		(5,000)
Proceeds from subordinated notes	100,000		50,000
Payment of cash dividends on common stock	(3,944)	(3,793)	(3,779)
Proceeds from issuance of common stock, net	422	670	1,360
Repurchase and cancellation of shares	(52,954)	(14,168)	(3,779)
Net cash provided by financing activities	538,226	299,714	577,380
Net increase (decrease) in cash and due from banks	22,233	(23,839)	(14,925)
Cash and due from banks, beginning	37,490	61,329	76,254
Cash and due from banks, ending	59,723	37,490	61,329
Supplemental disclosure of cash flow information, cash payments (receipts) for:
Interest	58,652	23,373	32,178
Income/franchise taxes	1,057	48,988	24,567
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, (loss), unrealized gains (losses) on securities available for sale and derivative instruments, net	(66,450)	176	2,474
Change in retained earnings from adoption of ASU 2016-13		(937)
Transfers of loans to other real estate owned	431	2,962	51
Due to broker for purchases of securities		1,000
(Decrease) increase in the fair value of back-to-back interest rate swap assets and liabilities	(54,441)	(1,376)	137,752
Dividends payable	1,013	$ 935	947
Consideration received on sale of the Bates Companies			1,523
Fair value of assets acquired:
Cash and due from banks	171,844
Interest-bearing deposits at financial institutions	17,134
Securities	143,017
Loans receivable, net	801,697
Bank-owned life insurance	32,100
Premises and equipment, net	16,257
Restricted investment securities	2,220
Other real estate owned	55
Intangibles	10,264
Other assets	23,685
Total assets acquired	1,218,273
Fair value of liabilities assumed:
Deposits	1,076,573
FHLB advances	16,000
Subordinated debentures	19,621
Junior subordinated debentures	10,310
Other liabilities	15,225
Total liabilities assumed	1,137,729
Net assets acquired	80,544
Consideration paid:
Cash paid	26,871
Common stock	117,214
Total consideration paid	144,085
Goodwill	63,541
Net cash paid	$ 144,973
Supplemental disclosure of cash flow information for sale of subsidiary/certain assets and certain liabilities of subsidiary:
Cash proceeds**			195
Assets Sold:
Cash and due from banks			349
Premises and equipment, net			19
Other assets			2,259
Total assets sold			2,627
Liabilities Sold:
Other liabilities			946
Total liabilities sold			946
Net Assets Sold			1,681
Forgiveness of earn-out consideration			880
Note receivable consideration			448
Bates Companies
Activity in restricted investment securities:
Net cash transferred out in sale of subsidiary			(154)
Bates Companies
Adjustments to reconcile net income to net cash provided by operating activities:
Goodwill impairment			$ 500