Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) $ in Thousands	USD ($) $ / shares
Balance at beginning of period at Dec. 31, 2016	$ 65,415
Statement of Stockholders' Equity [Abstract]
Net income	3,456
Other comprehensive (loss) income	952
Cash dividends declared	(1,097)
Balance at end of period at Jun. 30, 2017	$ 68,726
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.40
Balance at beginning of period at Mar. 31, 2017	$ 66,927
Statement of Stockholders' Equity [Abstract]
Net income	1,726
Other comprehensive (loss) income	621
Cash dividends declared	(548)
Balance at end of period at Jun. 30, 2017	$ 68,726
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.20
Balance at beginning of period at Dec. 31, 2017	$ 70,532
Statement of Stockholders' Equity [Abstract]
Net income	4,488
Other comprehensive (loss) income	(1,126)
Cash dividends declared	(1,316)
Balance at end of period at Jun. 30, 2018	$ 72,578
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.48
Balance at beginning of period at Mar. 31, 2018	$ 71,019
Statement of Stockholders' Equity [Abstract]
Net income	2,324
Other comprehensive (loss) income	(107)
Cash dividends declared	(658)
Balance at end of period at Jun. 30, 2018	$ 72,578
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.24