CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income:
Interest and fees on loans		$ 169,301	$ 141,552	$ 145,425
Interest on mortgage loans held for sale		1,165	1,531	1,762
Taxable interest on debt securities		21,827	14,295	20,050
Dividends on Federal Home Loan Bank stock		548	436	2,240
Other interest income		1,624	181	459
Interest and dividend income		194,465	157,995	169,936
Interest expense:
Deposits		26,023	12,390	25,812
Federal Home Loan Bank advances		11,713	3,800	15,806
Junior subordinated debentures		739	370	641
Other interest expense		0	0	233
Interest expense		38,475	16,560	42,492
Net interest income (expense)	[1]	155,990	141,435	127,444
Provision for credit losses		(1,300)	(4,822)	12,342
Net interest income after provision for credit losses		157,290	146,257	115,102
Noninterest income:
Wealth management revenues	[1]	38,746	41,282	35,454
Mortgage banking revenues	[1]	8,733	28,626	47,377
Card interchange fees	[1]	4,996	4,996	4,287
Service charges on deposit accounts	[1]	3,192	2,683	2,742
Loan related derivative income	[1]	2,756	4,342	3,991
Income from bank-owned life insurance	[1]	2,591	2,925	2,491
Other income	[1]	1,588	2,540	3,100
Noninterest income	[1]	62,602	87,394	99,442
Noninterest expense:
Salaries and employee benefits		83,804	87,295	82,899
Outsourced services		13,737	13,296	11,894
Net occupancy		9,126	8,449	8,023
Equipment		3,797	3,905	3,831
Legal, audit and professional fees		3,127	2,859	3,747
FDIC deposit insurance costs		1,687	1,592	1,818
Advertising and promotion		2,587	1,843	1,469
Amortization of intangibles		860	890	914
Debt prepayment penalties		0	6,930	1,413
Other expenses		9,997	8,405	9,376
Noninterest expense		128,722	135,464	125,384
Income before income taxes		91,170	98,187	89,160
Income tax expense		19,489	21,317	19,331
Net income		71,681	76,870	69,829
Net income available to common shareholders		$ 71,479	$ 76,648	$ 69,678
Weighted average common shares outstanding - basic		17,246	17,310	17,282
Weighted average common shares outstanding - diluted		17,381	17,455	17,402
Per share information:
Basic earnings per common share (in dollars per share)		$ 4.14	$ 4.43	$ 4.03
Diluted earnings per common share (in dollars per share)		$ 4.11	$ 4.39	$ 4.00

[1] As reported in the Consolidated Statements of Income.