CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional paid-in Capital	Retained Earnings	Deferred Comp Plan	Common Stock Issued to Deferred Compensation Trust	Accumulated Other Comprehensive Income (loss)	Total
Balance at Dec. 31, 2016	$ 0	$ 11,645	$ 69,597	$ 22,673	$ 2,340	$ (2,340)	$ 358	$ 104,273
Balance (in shares) at Dec. 31, 2016	0	11,645,413
Net income	$ 0	$ 0	0	3,185	0	0	0	3,185
Other comprehensive income (loss)	0	0	0	0	0	0	40	40
Shares issued for Premara merger	$ 0	$ 2,335	26,001	0	0	0	0	28,336
Shares issued for Premara merger (in shares)	0	2,334,999
Stock option exercises	$ 0	$ 29	137	0	0	0	0	166
Stock option exercises (in shares)	0	28,725
Director equity incentive plan, net	$ 0	$ 0	0	0	178	(178)	0	0
Stock-based compensation	0	0	115	0	0	0	0	115
Balance at Dec. 31, 2017	$ 0	$ 14,009	95,850	25,858	2,518	(2,518)	398	136,115
Balance (in shares) at Dec. 31, 2017	0	14,009,137
Net income	$ 0	$ 0	0	13,782	0	0	0	13,782
Other comprehensive income (loss)	0	0	0	0	0	0	(457)	(457)
Shares issued for capital raise, net	$ 0	$ 5,271	54,535	0	0	0	0	59,806
Shares issued for capital raise, net (in shares)	0	5,270,834
Stock option exercises	$ 0	$ 32	155	0	0	0	0	187
Stock option exercises (in shares)	0	31,534
Director equity incentive plan, net	$ 0	$ 0	0	0	97	(97)	0	0
Stock-based compensation	0	0	178	0	0	0	0	178
Balance at Dec. 31, 2018								209,611
Balance at Dec. 31, 2018	$ 0	$ 19,312	150,718	39,640	2,615	(2,615)	(59)	209,611
Balance (in shares) at Dec. 31, 2018	0	19,311,505
Net income	$ 0	$ 0	0	13,035	0	0	0	13,035
Other comprehensive income (loss)	0	0	0	0	0	0	959	959
Stock repurchases	$ 0	$ (1,008)	(10,419)	0	0	0	0	(11,427)
Stock repurchases ( in shares)	0	(1,008,260)
Stock option exercises	$ 0	$ 26	202	0	0	0	0	$ 228
Stock option exercises (in shares)	0	26,813						26,813
Director equity incentive plan, net	$ 0	$ 0	0	0	200	(200)	0	$ 0
Stock-based compensation	0	0	369	0	0	0	0	369
Balance at Dec. 31, 2019								212,775
Balance at Dec. 31, 2019	$ 0	$ 18,330	$ 140,870	$ 52,675	$ 2,815	$ (2,815)	$ 900	$ 212,775
Balance (in shares) at Dec. 31, 2019	0	18,330,058