Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest income
Loans, including fees	$ 40,214	$ 40,053	$ 82,226	$ 69,088
Taxable investment securities	4,646	3,289	8,363	6,216
Tax-exempt investment securities	1,858	1,424	3,370	2,830
Other	40	185	204	205
Total interest income	46,758	44,951	94,163	78,339
Interest expense
Deposits	6,409	7,743	14,358	13,438
Short-term borrowings	263	500	597	957
Long-term debt	1,374	1,876	3,090	3,136
Total interest expense	8,046	10,119	18,045	17,531
Net interest income	38,712	34,832	76,118	60,808
Credit loss expense	4,685	696	26,418	2,290
Net interest income after credit loss expense	34,027	34,136	49,700	58,518
Noninterest income
Investment services and trust activities	2,217	1,890	4,753	3,280
Service charges and fees	1,290	1,870	3,116	3,312
Card revenue	1,237	1,799	2,602	2,797
Loan revenue	1,910	648	3,033	1,041
Bank-owned life insurance	635	470	1,155	862
Insurance commissions	0	314	0	734
Investment securities gains, net	6	32	48	49
Other	974	1,773	3,717	2,131
Total noninterest income	8,269	8,796	18,424	14,206
Noninterest expense
Compensation and employee benefits	15,682	16,409	32,299	28,988
Occupancy expense of premises, net	2,253	2,127	4,594	4,006
Equipment	2,010	1,914	3,890	3,285
Legal and professional	1,382	3,291	2,917	4,256
Data processing	1,240	1,008	2,594	1,853
Marketing	910	869	1,972	1,475
Amortization of intangibles	1,748	930	3,776	1,382
FDIC insurance	445	434	893	804
Communications	449	377	906	719
Foreclosed assets, net	34	84	172	142
Other	1,885	1,597	4,026	2,747
Total noninterest expense	28,038	29,040	58,039	49,657
Income before income tax expense	14,258	13,892	10,085	23,067
Income tax expense	2,546	3,218	348	5,108
Net income	$ 11,712	$ 10,674	$ 9,737	$ 17,959
Earnings Per Share [Abstract]
Earnings - basic (in dollars per share)	$ 0.73	$ 0.72	$ 0.60	$ 1.33
Earnings - diluted (in dollars per share)	0.73	0.72	0.60	1.33
Dividends paid (in dollars per share)	$ 0.2200	$ 0.2025	$ 0.4400	$ 0.4050