CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Common stock, shares outstanding		87,522,000
Treasury stock, shares	34,126,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2018	$ 145,355	$ 876	$ 383,123	$ (278,843)	$ 71,435	$ (31,236)
Net income (loss)	12,551				12,551
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	1,988					1,988
Other comprehensive loss	1,988
Stock based compensation	5,704		5,704
Restricted stock issued		(2,258,000)
Restricted stock issued	23	$ 23
Restricted stock forfeited or withheld to satisfy tax obligations		(560,000)
Restricted stock forfeited or withheld to satisfy tax obligations	$ (1,909)	$ (5)		$ (1,904)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	137,000	(160,000)
Exercise of common stock options		449,000
Exercise of common stock options	$ 4	$ 4
Treasury Stock, Shares, Retired		(20,000,000)		(20,000,000)
Treasury Stock, Retired, Cost Method, Amount		$ (200)		$ (161,800)
Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Diluted	$ 0		(161,600)
Stock Repurchased During Period, Shares	848,760			849,000
Accelerated Share Repurchase Program, Adjustment	$ (2,519)			$ (2,519)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(616,000)
Performance-Based Restricted Stock Units forfeited or withheld to satisfy tax obligations		2
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2019	161,195	$ 696	227,227	$ (121,466)	83,986	(29,248)
Cumulative Effect of New Accounting Principle	(2)
Common stock, shares outstanding		69,509,000
Treasury stock, shares				15,591,000
Net income (loss)	(30,015)				(30,015)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	729					729
Other comprehensive loss	729
Stock based compensation	6,327		6,327
Restricted stock issued		(2,173,000)
Restricted stock issued	22	$ 22
Restricted stock forfeited or withheld to satisfy tax obligations		(430,000)
Restricted stock forfeited or withheld to satisfy tax obligations		$ (4)		$ (2,248)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	$ (2,252)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	80,000	(19,000)
Stock Repurchased During Period, Shares	3,548,265			3,548,000
Accelerated Share Repurchase Program, Adjustment	$ (8,436)			$ (8,436)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(874,000)
Performance-Based Restricted Stock Units forfeited or withheld to satisfy tax obligations	0	$ 0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2020	$ 127,570	$ 714	233,554	$ (132,150)	53,971	(28,519)
Common stock, shares outstanding	51,220,000	71,233,000
Treasury stock, shares	20,013,000			20,013,000
Net income (loss)	$ (29,742)				(29,742)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	395					395
Discontinued Operation Gain Loss on Disposal of Discontinued Operation, Net of Tax, Total	28,063					28,063
Other comprehensive loss	28,458
Stock based compensation	8,303		$ 8,303
Restricted stock issued		(2,267,000)	(5,000)
Restricted stock issued	$ 18	$ 23
Restricted stock forfeited or withheld to satisfy tax obligations		(685,000)
Restricted stock forfeited or withheld to satisfy tax obligations		$ (7)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		(44,000)		244,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	110,000	813,000
Stock Repurchased During Period, Shares	3,905,050			3,905,000
Accelerated Share Repurchase Program, Adjustment	$ (15,268)			$ (15,268)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period			(2,000)	(666,000)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(8)	$ 8		$ 907
Performance-Based Restricted Stock Units forfeited or withheld to satisfy tax obligations	(2,078)	0		2,073
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Eligible to Vest	(907)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2021	$ 116,362	$ 738	$ 241,854	$ (150,398)	$ 24,229	$ (61)
Common stock, shares outstanding	48,756,000	73,584,000
Treasury stock, shares	24,828,000			24,828,000