Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Capital Stock [Member]	Retained earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained earnings [Member]	Accumulated other comprehensive income (loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Beginning balance at Dec. 31, 2018	$ 29,715		$ 64,937	$ (1,095)		$ 93,557
Balance, shares at Dec. 31, 2018	3,759,426
Net income			11,576			11,576
Other comprehensive (loss) income				4,697		4,697
Issuance of common stock through Employee Stock Purchase Plan	$ 175					175
Issuance of common stock through Employee Stock Purchase Plan, shares	4,535
Issuance of common stock from vested restricted share grants through stock compensation plans	15,574
Issuance of common stock through exercise of SSARs, shares	1,965
Stock-based compensation expense	$ 958					958
Cash dividends declared			(4,037)			(4,037)
Ending balance (ASU 2016-02 [Member]) at Dec. 31, 2019		$ (91)			$ (91)
Ending balance at Dec. 31, 2019	$ 30,848		72,385	3,602		106,835
Balance, shares at Dec. 31, 2019	3,781,500
Net income			13,035			13,035
Other comprehensive (loss) income				5,350		5,350
Issuance of common stock through Employee Stock Purchase Plan	$ 219					219
Issuance of common stock through Employee Stock Purchase Plan, shares	3,885
Issuance of common stock from vested restricted share grants through stock compensation plans	15,395
Stock-based compensation expense	$ 1,201					1,201
Issuance of common stock for acquisition	$ 45,408					45,408
Issuance of common stock for acquisition, shares	1,176,970
Cash dividends declared			(5,378)			(5,378)
Ending balance at Dec. 31, 2020	$ 77,676		80,042	8,952		166,670
Balance, shares at Dec. 31, 2020	4,977,750
Net income			24,008			24,008
Other comprehensive (loss) income				(8,773)		(8,773)
Issuance of common stock through Employee Stock Purchase Plan	$ 270					270
Issuance of common stock through Employee Stock Purchase Plan, shares	4,738
Issuance of common stock from vested restricted share grants through stock compensation plans	13,209
Issuance of common stock through exercise of SSARs, shares	2,000
Stock-based compensation expense	$ 1,106					1,106
Issuance of common stock for acquisition	$ 35,056					35,056
Issuance of common stock for acquisition, shares	647,990
Cash dividends declared			(6,608)			(6,608)
Ending balance at Dec. 31, 2021	$ 114,108		$ 97,442	$ 179		$ 211,729
Balance, shares at Dec. 31, 2021	5,645,687