Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest income:
Interest and fees on taxable loans	$ 15,082	$ 12,069	$ 28,989	$ 23,010
Interest and fees on tax-exempt loans	375	261	737	519
Interest and dividends on taxable investment securities	6,676	4,777	13,025	9,510
Interest and dividends on tax-exempt investment securities	128	154	237	348
Interest on federal funds sold and other interest-earning assets	63	70	235	131
Total interest income	22,324	17,331	43,223	33,518
Interest expense:
Demand- interest bearing	1,549	695	2,806	1,303
Money market and savings	1,174	732	2,146	1,430
Time deposits	366	295	735	591
Other borrowings	573	342	758	708
Total interest expense	3,662	2,064	6,445	4,032
Net interest income	18,662	15,267	36,778	29,486
Provision for loan losses	800	500	1,200	500
Net interest income after provision for loan losses	17,862	14,767	35,578	28,986
Non-interest income:
Non-interest income	1,369	947	2,579	1,839
Gain on sales of SBA loans	846	796	1,838	1,484
Loss on sale of investment securities	(1)	(61)	(1)	(61)
Other non-interest income	43	40	78	86
Total non-interest income	5,768	4,969	10,303	9,307
Non-interest expenses:
Salaries and employee benefits	10,883	9,389	21,528	17,971
Occupancy	1,888	1,752	4,001	3,467
Depreciation and amortization	1,465	1,121	2,822	2,296
Legal	349	127	640	379
Other real estate owned	192	612	503	958
Appraisal and other loan expenses	455	381	733	823
Advertising	297	222	626	467
Data processing	940	765	1,764	1,550
Insurance	217	200	509	473
Professional fees	510	507	978	935
Regulatory assessments and costs	395	324	862	653
Taxes, other	245	238	490	474
Other operating expenses	2,893	2,047	5,375	4,043
Total non-interest expense	20,729	17,685	40,831	34,489
Income before provision (benefit) for income taxes	2,901	2,051	5,050	3,804
Provision (benefit) for income taxes	530	(8)	902	(42)
Net income	$ 2,371	$ 2,059	$ 4,148	$ 3,846
Net income per share:
Basic (in dollars per share)	$ 0.04	$ 0.04	$ 0.07	$ 0.07
Diluted (in dollars per share)	$ 0.04	$ 0.04	$ 0.07	$ 0.07
Loan and Servicing Fees [Member]
Non-interest income:
Non-interest income	$ 372	$ 316	$ 519	$ 653
Mortgage Banking [Member]
Non-interest income:
Non-interest income	3,182	2,971	5,368	5,392
Deposit Account [Member]
Non-interest income:
Non-interest income	$ 1,326	$ 907	$ 2,501	$ 1,753