Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest income:
Loans receivable	$ 7,441	$ 6,930	$ 21,225	$ 19,991
Securities available for sale:
Mortgage-backed and related	52	16	148	29
Other marketable	285	270	842	821
Other	192	39	369	72
Total interest income	7,970	7,255	22,584	20,913
Interest expense:
Deposits	587	413	1,581	1,035
Advances and other borrowings	0	80	2	327
Total interest expense	587	493	1,583	1,362
Net interest income	7,383	6,762	21,001	19,551
Provision for loan losses	(652)	(581)	(482)	(582)
Net interest income after provision for loan losses	8,035	7,343	21,483	20,133
Non-interest income:
Gain on sales of loans	489	521	1,612	1,528
Other	234	241	792	744
Total non-interest income	1,936	1,909	5,766	5,695
Non-interest expense:
Compensation and benefits	3,574	3,642	11,076	11,366
Occupancy and equipment	1,073	1,050	3,242	3,115
Data processing	310	243	939	795
Professional services	326	307	873	983
Other	931	1,017	2,951	2,786
Total non-interest expense	6,214	6,259	19,081	19,045
Income before income tax expense	3,757	2,993	8,168	6,783
Income tax expense	1,045	1,213	2,284	2,766
Net income	2,712	1,780	5,884	4,017
Other comprehensive (loss) income, net of tax	(218)	(4)	(670)	357
Comprehensive income available to common shareholders	$ 2,494	$ 1,776	$ 5,214	$ 4,374
Basic earnings per share (in dollars per share)	$ 0.62	$ 0.42	$ 1.37	$ 0.95
Diluted earnings per share (in dollars per share)	$ 0.59	$ 0.37	$ 1.24	$ 0.83
Financial Service [Member]
Non-interest income:
Revenue from Contract with Customer	$ 870	$ 848	$ 2,421	$ 2,517
Bank Servicing [Member]
Non-interest income:
Revenue from Contract with Customer	$ 343	$ 299	$ 941	$ 906