Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 10,662	$ 10,426	$ 4,369
Net unrealized holding gains (losses) on available-for-sale securities	12,048	(4,721)	2,131
Less reclassification adjustment on losses (gains) included in earnings	177	(20)	(498)
Net unrealized gains (losses)	12,225	(4,741)	1,633
Income tax effect on net (losses) gains included in earnings	(43)	5	184
Income tax effect on net unrealized holding (gains) losses	(2,952)	1,157	(807)
Other comprehensive income (loss)	9,230	(3,579)	1,010
Total comprehensive income	$ 19,892	$ 6,847	$ 5,379