CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Contributed Capital	Retained Earnings
Beginning balance at Dec. 31, 2019	$ 151,641	$ 423	$ 12,778	$ 138,440
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	995			995
Stock-based compensation expense	643		643
Cancellation of shares withheld to cover taxes upon vesting of restricted awards	(81)		(81)
Dividends declared:
Common stock	(4,070)			(4,070)
Awards under LTIP	(36)			(36)
Ending balance at Dec. 31, 2020	149,092	423	13,340	135,329
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	11,888			11,888
Stock-based compensation expense	854		854
offering program	2,830	9	2,821
Vesting of restricted awards	0	1	(1)
Cancellation of shares withheld to cover taxes upon vesting of restricted awards	(101)		(101)
Dividends declared:
Common stock	(4,112)			(4,112)
Awards under LTIP	(65)			(65)
Ending balance at Dec. 31, 2021	160,386	433	16,913	143,040
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,487			3,487
Stock-based compensation expense	1,022		1,022
offering program	1,724	5	1,719
Vesting of restricted awards	0	2	(2)
Cancellation of shares withheld to cover taxes upon vesting of restricted awards	(110)		(110)
Issuance of common shares for acquisition	425	2	423
Repurchase of common shares	(69,928)	(194)		(69,734)
Dividends declared:
Common stock	(3,746)			(3,746)
Awards under LTIP	(83)			(83)
Ending balance at Dec. 31, 2022	$ 93,177	$ 248	$ 19,965	$ 72,964