Parent Company Only Financial Statements - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating income:
Interest and fees on loans receivable	$ 40,166	$ 36,446
Interest on mortgage-backed and related securities	4,606	5,031
Interest on investment securities	3,965	3,831
Gain (loss) on sale of securities	836	77
Total interest income	49,313	45,805
Operating expenses:
Other expenses	2,559	2,559
Total noninterest expense	33,117	32,857
NET INCOME	9,014	7,105
Consolidated company
Operating income:
Interest and fees on loans receivable	268	282
Interest on mortgage-backed and related securities	134	209
Interest on investment securities	130	163
Gain (loss) on sale of securities	0	(59)
Total interest income	532	595
Operating expenses:
Other expenses	892	922
Total noninterest expense	892	922
Loss before benefit for income taxes and equity in undistributed earnings of subsidiary	(360)	(327)
Benefit for income taxes	(104)	(89)
Loss before equity in undistributed earnings of subsidiary	(256)	(238)
Equity in undistributed earnings of subsidiary	13,270	17,343
NET INCOME	$ 13,014	$ 17,105