Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common stock	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock	Total
Beginning Balance (in shares) at Dec. 31, 2020	10,456
Beginning balance at Dec. 31, 2020	$ 91,873	$ 90,669	$ (1,189)	$ (7,442)	$ 173,911
Increase (Decrease) in Stockholders' Equity
Net income		8,496			8,496
Other comprehensive income, net of tax			655		655
Dividends on common stock	$ 30	(834)			(804)
Common stock issued and related tax effects (1) (in shares)	36
Common stock issued and related tax effects (1)	$ 277				277
Acquisition of treasury stock, at cost (in shares)	(70)
Acquisition of treasury stock, at cost				(1,349)	(1,349)
Ending Balance (in shares) at Mar. 31, 2021	10,422
Ending balance at Mar. 31, 2021	$ 92,180	98,331	(534)	(8,791)	$ 181,186
Beginning Balance (in shares) at Dec. 31, 2021	10,391				10,391
Beginning balance at Dec. 31, 2021	$ 94,003	123,037	322	(11,633)	$ 205,729
Increase (Decrease) in Stockholders' Equity
Net income		9,108			9,108
Other comprehensive income, net of tax			286		286
Dividends on common stock	$ 37	(1,045)			(1,008)
Common stock issued and related tax effects (1) (in shares)	102
Common stock issued and related tax effects (1)	$ 813				$ 813
Ending Balance (in shares) at Mar. 31, 2022	10,493				10,493
Ending balance at Mar. 31, 2022	$ 94,853	$ 131,100	$ 608	$ (11,633)	$ 214,928