Consolidated Statement of Equity Statement - USD ($) $ in Thousands	Total	Additional Paid-in Capital [Member]	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings
Common Stock, Shares, Issued			53,327,000
Treasury Stock, Shares				1,948,000
Total Equity	$ 293,011	$ 734,257	$ 533	$ 19,142	$ (422,637)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			338,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	(3)	$ 3
Stock-based compensation expense	1,122	1,122
Shares repurchased for tax withholdings for vested stock awards				130,000
Treasury Stock, Value, Acquired, Cost Method				$ 1,215
CostOfRepurchasedSharesForTaxWittholdingForShareBasedCompensation	(1,215)
Net Income (Loss) Attributable to Parent	(43,628)
Net Income (Loss) Attributable to Parent	(21,100)
Common Stock, Shares, Issued			53,665,000
Treasury Stock, Shares				2,078,000
Total Equity	249,290	735,376	$ 536	$ 20,357	(466,265)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			487,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	(5)	$ 5
Stock-based compensation expense	1,478	1,478
Shares repurchased for tax withholdings for vested stock awards				108,000
CostOfRepurchasedSharesForTaxWittholdingForShareBasedCompensation	(1,144)			$ (1,144)
Stock Issued During Period, Value, Stock Options Exercised	37	37	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			10,000
Net Income (Loss) Attributable to Parent	$ 22,528
Common Stock, Shares, Issued	54,162,000		54,162,000
Treasury Stock, Shares				2,186,000
Total Equity	$ 272,189	736,886	$ 541	$ 21,501	(443,737)
Common Stock, Shares, Issued	54,234,000		54,234,000
Treasury Stock, Shares				2,188,000
Total Equity	$ 228,374	740,838	$ 542	$ 21,512	(491,494)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			540,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	(5)	$ 5
Stock-based compensation expense	1,791	1,791
Shares repurchased for tax withholdings for vested stock awards				238,000
Treasury Stock, Value, Acquired, Cost Method				$ 612
CostOfRepurchasedSharesForTaxWittholdingForShareBasedCompensation	(612)
Net Income (Loss) Attributable to Parent	$ (52,707)
Shares repurchased for tax withholdings for vested stock awards	344,587
Net Income (Loss) Attributable to Parent	$ (30,563)
Common Stock, Shares, Issued			54,774,000
Treasury Stock, Shares				2,426,000
Total Equity	176,846	742,624	$ 547	$ 22,124	(544,201)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			357,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	(4)	$ 4
Stock-based compensation expense	1,719	1,719
Shares repurchased for tax withholdings for vested stock awards				107,000
CostOfRepurchasedSharesForTaxWittholdingForShareBasedCompensation	(245)			$ (245)
Net Income (Loss) Attributable to Parent	$ 22,144
Common Stock, Shares, Issued	55,132,000		55,131,000
Treasury Stock, Shares				2,533,000
Total Equity	$ 200,464	$ 744,339	$ 551	$ 22,369	$ (522,057)