Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock, Voting	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2020	$ 343,486	$ 21,989	$ 246,890	$ 66,879	$ 7,728
Beginning balance, shares at Dec. 31, 2020		21,988,803
Net issuance of restricted common stock	(98)	$ 118	(216)
Net issuance of restricted common stock, shares		117,962
Stock-based compensation expense	349		349
Net exercise of common stock options		$ 1	(1)
Net exercise of common stock options, shares		1,039
Repurchase of common stock	(305)	$ (18)	(287)
Repurchase of common stock, shares		(17,931)
Common stock dividends declared	(1,093)			(1,093)
Net income	11,030			11,030
Other comprehensive loss	(9,425)				(9,425)
Ending balance at Mar. 31, 2021	343,944	$ 22,090	246,735	76,816	(1,697)
Ending balance, shares at Mar. 31, 2021		22,089,873
Beginning balance at Dec. 31, 2021	380,094	$ 22,166	248,709	110,489	(1,270)
Beginning balance, shares at Dec. 31, 2021		22,166,129
Net issuance of restricted common stock	(87)	$ 66	(153)
Net issuance of restricted common stock, shares		65,550
Stock-based compensation expense	$ 388		388
Net exercise of common stock options, shares	0
Repurchase of common stock	$ (767)	$ (37)	(730)
Repurchase of common stock, shares		(36,608)
Common stock dividends declared	(1,320)			(1,320)
Net income	10,673			10,673
Other comprehensive loss	(20,064)				(20,064)
Ending balance at Mar. 31, 2022	$ 368,917	$ 22,195	$ 248,214	$ 119,842	$ (21,334)
Ending balance, shares at Mar. 31, 2022		22,195,071