CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Shares of Common Stock	Common Stock and Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance, beginning of period at Dec. 31, 2017		$ 61,981	$ 19,711	$ (292)	$ 81,400
Balance (in shares) at Dec. 31, 2017	6,294,930
Increase (Decrease) in Shareholders' Equity
Net income for period			5,002		5,002
Other comprehensive income
Net unrealized gain on securities available for sale				(735)	(735)
Total comprehensive income			5,002	(735)	4,267
Stock compensation		475			475
Restricted stock award vesting (in shares)	45,630
FFNM acquisition		34,101			34,101
FFNM acquisition (in shares)	2,146,378
Capital raise, net of offering costs		32,451			32,451
Capital raise, net of offering costs (in shares)	2,225,807
Dividend on common stock			(3,327)		(3,327)
Balance, end of period at Sep. 30, 2018		129,008	21,386	(1,027)	149,367
Balance (in shares) at Sep. 30, 2018	10,712,745
Balance, beginning of period at Jun. 30, 2018		128,880	19,602	385	148,867
Balance (in shares) at Jun. 30, 2018	10,712,745
Increase (Decrease) in Shareholders' Equity
Net income for period			3,069		3,069
Other comprehensive income
Net unrealized gain on securities available for sale				(1,412)	(1,412)
Total comprehensive income			3,069	(1,412)	1,657
Stock compensation		201			201
Capital raise, net of offering costs		(73)			(73)
Dividend on common stock			(1,285)		(1,285)
Balance, end of period at Sep. 30, 2018		129,008	21,386	(1,027)	149,367
Balance (in shares) at Sep. 30, 2018	10,712,745
Balance, beginning of period at Dec. 31, 2018		129,066	23,466	(463)	152,069
Balance (in shares) at Dec. 31, 2018	10,712,745
Increase (Decrease) in Shareholders' Equity
Net income for period			10,555		10,555
Other comprehensive income
Net unrealized gain on securities available for sale				1,387	1,387
Total comprehensive income			10,555	1,387	11,942
Stock compensation		226			226
Restricted stock award vesting (in shares)	27,967
Dividend on common stock			(4,072)		(4,072)
Balance, end of period at Sep. 30, 2019		129,292	29,949	924	160,165
Balance (in shares) at Sep. 30, 2019	10,740,712
Balance, beginning of period at Jun. 30, 2019		129,262	27,734	844	157,840
Balance (in shares) at Jun. 30, 2019	10,740,712
Increase (Decrease) in Shareholders' Equity
Net income for period			3,719		3,719
Other comprehensive income
Net unrealized gain on securities available for sale				80	80
Total comprehensive income			3,719	80	3,799
Stock compensation		30			30
Dividend on common stock			(1,504)		(1,504)
Balance, end of period at Sep. 30, 2019		$ 129,292	$ 29,949	$ 924	$ 160,165
Balance (in shares) at Sep. 30, 2019	10,740,712