Consolidated Statements of Changes to Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2017	$ 134,107	$ 11,546	$ (12,160)	$ 136,547	$ (1,826)
Beginning balance, shares at Dec. 31, 2017		9,265,880
Adoption of ASU 2018-02 | ASU 2018-02 [Member]	359
Beginning balance at Dec. 31, 2017	134,107	$ 11,546	(12,160)	136,547	(1,826)
Beginning balance, shares at Dec. 31, 2017		9,265,880
Net income	14,949			14,949
Other comprehensive income (loss)	(829)				(829)
Adoption of ASU 2018-02 | ASU 2018-02 [Member]				359	(359)
Purchase of treasury stock	(490)		(490)
Purchase of treasury stock, shares		(10,999)
Issuance of restricted stock (Net of forfeitures)	(53)	$ (1,468)	241	1,174
Issuance of restricted stock (Net of forfeitures), Shares		30,380
Stock-based compensation expense	745	$ 745
Cash dividends declared	(5,142)			(5,142)
Ending balance at Dec. 31, 2018	143,287	$ 10,823	(12,409)	147,887	(3,014)
Ending balance, shares at Dec. 31, 2018		9,285,261
Net income	18,402			18,402
Other comprehensive income (loss)	4,112				4,112
Issuance of common stock in acquisition	70,437	$ 70,437
Issuance of common stock in acquisition, shares		1,830,000
Purchase of treasury stock	(381)		(381)
Purchase of treasury stock, shares		(13,206)
Issuance of restricted stock (Net of forfeitures)	47	$ (813)	334	526
Issuance of restricted stock (Net of forfeitures), Shares		34,880
Stock-based compensation expense	1,088	$ 1,088
Cash dividends declared	(6,734)			(6,734)
Ending balance at Dec. 31, 2019	230,258	$ 81,535	(12,456)	160,081	1,098
Ending balance, shares at Dec. 31, 2019		11,136,935
Net income	20,095			20,095
Other comprehensive income (loss)	4,599				4,599
Issuance of common stock in acquisition	825		500	325
Issuance of common stock in acquisition, shares		40,049
Purchase of treasury stock	(383)		(383)
Purchase of treasury stock, shares		(16,779)
Issuance of restricted stock (Net of forfeitures)	1	$ (755)	383	373
Issuance of restricted stock (Net of forfeitures), Shares		35,207
Stock-based compensation expense	1,024	$ 1,024
Director stock awards	48		24	24
Director stock awards, shares		2,132
Cash dividends declared	(7,307)			(7,307)
Ending balance at Dec. 31, 2020	$ 249,160	$ 81,804	$ (11,932)	$ 173,591	$ 5,697
Ending balance, shares at Dec. 31, 2020		11,197,544