Consolidated Statements of Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Loans		$ 223,787	$ 225,084	$ 130,853
Investment securities:
Tax-exempt		3,898	3,509	4,883
Taxable		15,471	7,960	3,300
Interest-bearing deposits		198	435	1,395
FHLB stock dividends		233	958	653
Total interest income		243,587	237,946	141,084
Interest Expense
Deposits		13,482	26,918	22,613
Federal Home Loan Bank advances and other		23	1,691	1,443
Subordinated debentures		2,713	1,300	1,354
Securities sold under agreement to repurchase			32	25
Total interest expense		16,218	29,941	25,435
Net interest income		227,369	208,005	115,649
Credit loss (benefit) expense - loans and leases	[1]	(6,733)	43,154	2,905
Credit loss (benefit) expense - unfunded commitments	[1]	(319)	1,096	(21)
Net interest income after provision for credit losses		234,421	163,755	112,765
Non-interest Income
Service fees and other charges		24,168	21,369	14,028
Mortgage banking income		21,925	28,199	9,483
Insurance commissions		15,780	16,788	14,118
Gain on sale of non-mortgage loans			324	226
Gain on sale of securities available for sale		2,218	1,464	24
Gain on equity securities		1,954	90
Wealth management income		6,027	6,159	3,127
Income from Bank Owned Life Insurance		5,121	3,306	2,158
Other non-interest income		2,764	2,985	1,792
Total non-interest income		79,957	80,684	44,956
Non-interest Expense
Compensation and benefits		90,646	77,213	57,175
Occupancy		15,501	16,320	9,027
FDIC insurance premium		2,896	3,355	484
Financial institutions tax		4,079	4,173	2,194
Data processing		13,550	14,886	8,055
Acquisition related charges			19,485	1,422
Amortization of intangibles		6,208	6,449	1,119
Other non-interest expense		25,075	23,289	17,608
Total non-interest expense		157,955	165,170	97,084
Income before income taxes		156,423	79,269	60,637
Federal income taxes		30,372	16,192	11,267
Net Income		$ 126,051	$ 63,077	$ 49,370
Earnings per common share (Note 4)
Basic		$ 3.39	$ 1.75	$ 2.49
Diluted		$ 3.39	$ 1.75	$ 2.48

[1] Beginning January 1, 2020, calculation is based on current expected loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.