CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest income:
Loans, including fees	$ 116,808	$ 105,635	$ 86,346
Securities, taxable	15,836	15,211	13,724
Securities, exempt from Federal tax	2,148	2,225	2,256
Other investments, interest-bearing deposits in other financial institutions and Federal funds sold	7,867	6,774	4,585
Total interest income	142,659	129,845	106,911
Interest expense:
Deposits	8,159	5,506	3,991
Subordinated debt	2,686	2,314	1,394
Short-term borrowings	2	2	2
Total interest expense	10,847	7,822	5,387
Net interest income before provision for loan losses	131,812	122,023	101,524
Provision for loan losses	846	7,421	99
Net interest income after provision for loan losses	130,966	114,602	101,425
Noninterest income:
Service charges and fees on deposit accounts	4,510	4,113	3,231
Increase in cash surrender value of life insurance	1,404	1,045	1,666
Gain (loss) on sales of securities	661	266	(6)
Gain on sales of SBA loans	689	698	1,108
Servicing income	636	709	973
Other	2,344	2,743	2,640
Total noninterest income	10,244	9,574	9,612
Noninterest expense:
Salaries and employee benefits	50,754	43,762	35,719
Occupancy and equipment	6,647	5,411	4,578
Professional fees	3,259	1,969	2,982
Other	24,238	24,379	17,459
Total noninterest expense	84,898	75,521	60,738
Income before income taxes	56,312	48,655	50,299
Income tax expense	15,851	13,324	26,471
Net income	$ 40,461	$ 35,331	$ 23,828
Earnings per common share:
Basic (in dollars per share)	$ 0.87	$ 0.85	$ 0.63
Diluted (in dollars per share)	$ 0.84	$ 0.84	$ 0.62