Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest income
Loans, including fees		$ 43,307	$ 33,844	$ 120,402	$ 101,692
Federal funds sold and interest bearing due from banks		208	54	358	673
Mortgage loans held for sale		53	173	175	359
Federal Home Loan Bank stock		83	56	204	197
Securities available for sale:
Taxable		3,206	1,973	8,245	6,434
Tax-exempt		91	44	184	177
Total interest income		46,948	36,144	129,568	109,532
Interest expense
Deposits		1,403	2,107	4,348	8,676
Securities sold under agreements to repurchase		6	7	16	31
Federal funds purchased and other short-term borrowings		5	2	11	33
Federal Home Loan Bank advance		51	333	301	1,123
Total interest expense		1,465	2,449	4,676	9,863
Net interest income		45,483	33,695	124,892	99,669
Provision for credit losses		(1,525)	4,968	1,147	17,918
Net interest income after credit loss expense		47,008	28,727	123,745	81,751
Non-interest income:
Mortgage banking income	[1]	915	1,979	3,662	4,447
Bank owned life insurance	[1]	275	172	642	527
Total non-interest income		17,614	13,043	47,246	38,201
Non-interest expenses
Compensation		17,381	13,300	45,888	37,296
Employee benefits		3,662	2,853	10,290	8,891
Net occupancy and equipment		2,732	2,177	7,021	6,045
Technology and communication		3,173	2,323	8,189	6,385
Debit and credit card processing		1,479	649	3,160	1,908
Marketing and business development		1,011	523	2,357	1,548
Postage, printing and supplies		630	472	1,499	1,355
Legal and professional		700	544	1,828	1,795
FDIC insurance		387	435	1,141	894
Amortization of investments in tax credit partnerships		53	52	315	141
Capital and deposit based taxes		556	1,076	1,541	3,331
Merger expenses		525	0	19,025	0
Federal Home Loan Bank early termination penalty		0	0	474	0
Other		2,269	1,242	4,980	3,041
Total non-interest expenses		34,558	25,646	107,708	72,630
Income before income tax expense		30,064	16,124	63,283	47,322
Income tax expense		6,902	1,591	13,227	6,189
Net income		$ 23,162	$ 14,533	$ 50,056	$ 41,133
Net income per share, basic (in dollars per share)		$ 0.87	$ 0.64	$ 2.05	$ 1.82
Net income per share, diluted (in dollars per share)		$ 0.87	$ 0.64	$ 2.03	$ 1.81
Weighted average outstanding shares
Basic (in shares)		26,485	22,582	24,360	22,553
Diluted (in shares)		26,726	22,802	24,602	22,759
Fiduciary and Trust [Member]
Non-interest income:
Non-interest income		$ 7,128	$ 5,657	$ 20,234	$ 17,601
Deposit Account [Member]
Non-interest income:
Non-interest income		1,768	998	3,945	3,081
Credit and Debit Card [Member]
Non-interest income:
Non-interest income		3,887	2,218	9,444	6,261
Treasury Management [Member]
Non-interest income:
Non-interest income		1,771	1,368	5,041	3,901
Investment Advisory, Management and Administrative Service [Member]
Non-interest income:
Non-interest income		780	431	1,789	1,288
Product and Service, Other [Member]
Non-interest income:
Non-interest income		$ 1,090	$ 220	$ 2,489	$ 1,095

[1] Outside of the scope of ASC 606.