Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock and Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2016	$ 54,451	$ 15,364	$ 39,824	$ (737)
Increase (Decrease) in Stockholders' Equity
Net income	3,039	0	3,039	0
Other comprehensive income (loss), net of tax effect	915	0	0	915
Cash dividends	(1,356)	0	(1,356)	0
Amortization of unearned compensation, restricted stock awards	53	53	0	0
Issuance of common stock - non-vested shares	0	0	0	0
Issuance of common stock - vested shares	90	90	0	0
Repurchase of common stock	(7)	(7)	0	0
Balance at Sep. 30, 2017	57,185	15,500	41,507	178
Balance at Dec. 31, 2017	56,142	15,526	40,491	125
Increase (Decrease) in Stockholders' Equity
Net income	4,562	0	4,562	0
Other comprehensive income (loss), net of tax effect	(1,238)	0	0	(1,238)
Cash dividends	(1,360)	0	(1,360)	0
Amortization of unearned compensation, restricted stock awards	99	99	0	0
Reclassification of net unrealized gains on equity securities from Accumulated Other Comprehensive Income per ASU 2016-01 | ASU 2016-01 [Member]	(10)	0	(10)	0
Issuance of common stock - non-vested shares	0	0	0	0
Issuance of common stock - vested shares	90	90	0	0
Repurchase of common stock	(8)	(8)	0	0
Balance at Sep. 30, 2018	$ 58,277	$ 15,707	$ 43,683	$ (1,113)