UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Contributed Capital	Retained Earnings
Beginning balance at Dec. 31, 2020	$ 149,092	$ 423	$ 13,340	$ 135,329
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,808			2,808
Stock-based compensation expense	185		185
Cancellation of shares withheld to cover taxes upon vesting of restricted awards	(31)		(31)
Dividends declared:
Common stock	(1,019)			(1,019)
Awards under LTIP	(18)			(18)
Ending balance at Mar. 31, 2021	151,017	423	13,494	137,100
Beginning balance at Dec. 31, 2021	160,386	433	16,913	143,040
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	6,090			6,090
Stock-based compensation expense	195		195
Vesting of restricted awards	0	2	(2)
Cancellation of shares withheld to cover taxes upon vesting of restricted awards	(86)		(86)
Dividends declared:
Common stock	(1,048)			(1,048)
Awards under LTIP	(16)			(16)
Ending balance at Mar. 31, 2022	$ 165,521	$ 435	$ 17,020	$ 148,066