Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) $ in Thousands	USD ($) $ / shares
Balance at beginning of period at Dec. 31, 2015	$ 52,839
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,732
Other comprehensive income	1,285
Stock compensation expense	111
Dividends declared on common stock	(1,116)
Exercise of stock options (48,586 shares)	0
Balance at end of period at Jun. 30, 2016	$ 54,851
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend per common share (in dollars per share) | $ / shares	$ 0.52
Balance at beginning of period at Mar. 31, 2016	$ 54,007
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	930
Other comprehensive income	408
Stock compensation expense	64
Dividends declared on common stock	(558)
Exercise of stock options (48,586 shares)	0
Balance at end of period at Jun. 30, 2016	$ 54,851
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend per common share (in dollars per share) | $ / shares	$ 0.26
Balance at beginning of period at Dec. 31, 2016	$ 54,073
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,997
Other comprehensive income	372
Stock compensation expense	110
Dividends declared on common stock	(1,168)
Exercise of stock options (48,586 shares)	1,263
Balance at end of period at Jun. 30, 2017	$ 56,647
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend per common share (in dollars per share) | $ / shares	$ 0.54
Balance at beginning of period at Mar. 31, 2017	$ 54,761
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,041
Other comprehensive income	114
Stock compensation expense	55
Dividends declared on common stock	(587)
Exercise of stock options (48,586 shares)	1,263
Balance at end of period at Jun. 30, 2017	$ 56,647
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend per common share (in dollars per share) | $ / shares	$ 0.27