Consolidated Statements of Changes in Mezzanine Equity and Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Class C Special Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive (Loss) Gain, Net of Tax	Accumulated Deficit	Total
Balance at Dec. 31, 2021	$ 1		$ 387,844	$ (3,135)	$ (3,055)	$ (47,765)
Beginning Balance, Common (in shares) at Dec. 31, 2021	16,913,000
Beginning Balance, Treasury (in shares) at Dec. 31, 2021				83,000
Beginning balance, permanent and temporary equity at Dec. 31, 2021							$ 358,740
Increase (decrease) in Stockholders' Equity
Stock-based Compensation Expense			3,237				3,237
Treasury Stock Purchases for Restricted Stock Vests				$ (1,118)			(1,118)
Treasury Stock Purchases for Restricted Stock Vests (in shares)				40,000
Issuance of Common Shares upon Stock Option and ESPP Exercise			3				3
Issuance of Restricted Stock Awards (in shares)	461,000
Dividends on Series A Convertible Preferred Stock						(405)	(405)
Other Comprehensive Income (Loss)					5,767		5,767
Net Income (Loss)						(20,130)	(20,130)
Balance at Mar. 31, 2022	$ 1		391,084	$ (4,253)	2,712	(68,300)
Ending Balance, Common (in shares) at Mar. 31, 2022	17,374,000
Ending Balance, Treasury (in shares) at Mar. 31, 2022				123,000
Ending balance, permanent and temporary equity at Mar. 31, 2022							346,094
Balance at Dec. 31, 2022	$ 1		403,900	$ (5,094)	12,167	(97,285)	$ 313,690
Beginning Balance, Common (in shares) at Dec. 31, 2022	17,644,000
Beginning Balance, Treasury (in shares) at Dec. 31, 2022				149,000			149,031
Beginning balance, permanent and temporary equity at Dec. 31, 2022							$ 338,539
Increase (decrease) in Stockholders' Equity
Stock-based Compensation Expense			4,338				4,338
Treasury Stock Purchases for Restricted Stock Vests				$ (3,549)			(3,549)
Treasury Stock Purchases for Restricted Stock Vests (in shares)				85,000
Issuance of Common Shares upon Stock Option and ESPP Exercise			157				157
Issuance of Common Shares upon Stock Option and ESPP Exercise (in shares)	5,000
Issuance of Restricted Stock Awards (in shares)	520,000
Issuance of Performance Stock Units (in shares)	85,000
Restricted Stock Awards Forfeitures (in shares)	(28,000)
Dividends on Series A Convertible Preferred Stock						(406)	(406)
Other Comprehensive Income (Loss)					(1,036)		(1,036)
Net Income (Loss)						1,439	1,439
Balance at Mar. 31, 2023	$ 1		$ 408,395	$ (8,643)	$ 11,131	$ (96,252)	$ 314,632
Ending Balance, Common (in shares) at Mar. 31, 2023	18,226,000	11,000
Ending Balance, Treasury (in shares) at Mar. 31, 2023				234,000			233,524
Ending balance, permanent and temporary equity at Mar. 31, 2023							$ 339,482