CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Unearned ESOP Shares [Member]
Beginning Balance at Dec. 31, 2017	$ 109,957	$ 46	$ 48,209	$ 63,648	$ (1,191)	$ (755)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,556			3,556
Unrealized holding gain (loss) on investment securities net of tax	(991)				(991)
Cash dividend per common share	(1,086)			(1,086)
Dividend reinvestment			30	(30)
Net change in fair market value over cost of leveraged ESOP shares released	21		21
Shares issued for County First Merger	35,618	10	35,608
Repurchase of common stock	(67)			(67)
Stock based compensation	238		238
Ending Balance at Jun. 30, 2018	147,246	56	84,106	66,021	(2,182)	(755)
Beginning Balance at Mar. 31, 2018	145,659	56	83,947	64,309	(1,898)	(755)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,335			2,335
Unrealized holding gain (loss) on investment securities net of tax	(284)				(284)
Cash dividend per common share	(543)			(543)
Dividend reinvestment			14	(14)
Net change in fair market value below cost of leveraged ESOP shares released	(12)		(12)
Net change in unearned ESOP shares	0					0
Repurchase of common stock	(66)			(66)
Stock based compensation	133		133
Ending Balance at Jun. 30, 2018	147,246	56	84,106	66,021	(2,182)	(755)
Beginning Balance at Dec. 31, 2018	154,482	56	84,397	72,594	(1,847)	(718)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	7,504			7,504
Unrealized holding gain (loss) on investment securities net of tax	2,891				2,891
Cash dividend per common share	(1,341)			(1,341)
Dividend reinvestment			51	(51)
Net change in fair market value below cost of leveraged ESOP shares released	(4)		(4)
Net change in unearned ESOP shares	(39)					(39)
Repurchase of common stock	(17)			(17)
Stock based compensation	169		169
Ending Balance at Jun. 30, 2019	163,645	56	84,613	78,689	1,044	(757)
Beginning Balance at Mar. 31, 2019	159,081	56	84,498	75,757	(473)	(757)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,627			3,627
Unrealized holding gain (loss) on investment securities net of tax	1,517				1,517
Cash dividend per common share	(670)			(670)
Dividend reinvestment			25	(25)
Net change in fair market value below cost of leveraged ESOP shares released	(2)		(2)
Net change in unearned ESOP shares	0					0
Repurchase of common stock	0			0
Stock based compensation	92		92
Ending Balance at Jun. 30, 2019	$ 163,645	$ 56	$ 84,613	$ 78,689	$ 1,044	$ (757)