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, 2018	$ 60,007	$ 15,742	$ 44,803	$ (538)
Increase (Decrease) in Stockholders' Equity
Net income	5,248	0	5,248	0
Other comprehensive income, net of tax effect	1,897	0	0	1,897
Cash dividends	(1,364)	0	(1,364)	0
Amortization of unearned compensation, restricted stock awards	114	114	0	0
Issuance of common stock - unvested shares	0	0	0	0
Issuance of common stock - vested shares	95	95	0	0
Repurchase of common stock	(21)	(21)	0	0
Balance at Sep. 30, 2019	65,976	15,930	48,687	1,359
Balance at Jun. 30, 2019	64,106	15,890	47,090	1,126
Increase (Decrease) in Stockholders' Equity
Net income	2,052	0	2,052	0
Other comprehensive income, net of tax effect	233	0	0	233
Cash dividends	(455)	0	(455)	0
Amortization of unearned compensation, restricted stock awards	40	40	0	0
Balance at Sep. 30, 2019	65,976	15,930	48,687	1,359
Balance at Dec. 31, 2019	67,122	15,964	49,787	1,371
Increase (Decrease) in Stockholders' Equity
Net income	4,521	0	4,521	0
Other comprehensive income, net of tax effect	1,799	0	0	1,799
Cash dividends	(1,423)	0	(1,423)	0
Amortization of unearned compensation, restricted stock awards	104	104	0	0
Issuance of common stock - unvested shares	0	0	0	0
Issuance of common stock - vested shares	90	90	0	0
Issuance of common stock - performance-based restricted stock units	18	18	0	0
Repurchase of common stock	(24)	(24)	0	0
Balance at Sep. 30, 2020	72,207	16,152	52,885	3,170
Balance at Jun. 30, 2020	71,088	16,117	51,812	3,159
Increase (Decrease) in Stockholders' Equity
Net income	1,547	0	1,547	0
Other comprehensive income, net of tax effect	11	0	0	11
Cash dividends	(474)	0	(474)	0
Amortization of unearned compensation, restricted stock awards	35	35	0	0
Balance at Sep. 30, 2020	$ 72,207	$ 16,152	$ 52,885	$ 3,170