Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Deficit [Member]
Beginning balance at Dec. 31, 2020	$ 189,100	$ 21,939	$ 300,852	$ (15,773)	$ (117,918)
Stockholders' Equity [Roll Forward]
Net income	7,305	0	0	0	7,305
Foreign currency translation adjustment	411	0	0	411	0
Shares issued under incentive plans, net of shares withheld for tax	1,237	115	1,122	0	0
Stock compensation expense	1,153	0	1,153	0	0
Declared dividends	(4,953)	0	0	0	(4,953)
Ending balance at Mar. 31, 2021	194,253	22,054	303,127	(15,362)	(115,566)
Beginning balance at Dec. 31, 2021	209,325	22,172	306,720	(15,401)	(104,166)
Stockholders' Equity [Roll Forward]
Net income	17,337	0	0	0	17,337
Foreign currency translation adjustment	570	0	0	(570)	0
Shares issued under incentive plans, net of shares withheld for tax	127	53	74	0	0
Stock compensation expense	1,727	0	1,727	0	0
Declared dividends	(4,948)	0	0	0	(4,948)
Ending balance at Mar. 31, 2022	$ 224,138	$ 22,225	$ 308,521	$ (14,831)	$ (91,777)