Consolidated Statements of Changes in Stockholders' Equity Statement - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Deferred Compensation, Share-based Payments [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Stockholders' Equity, Total [Member]
Common Stock, Shares, Issued	17,257
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 1,726	$ 258,501	$ 2,436	$ 226,303	$ (12,831)	$ (2,436)	$ 473,699
Treasury Stock, Shares							(46)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures								(24)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition | capitalizedstock-basedcompensation [Member]								85
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition								8,801
Stock Repurchased and Retired During Period, Value					37,200			(162,248)
Payments of Ordinary Dividends, Common Stock	$ 8,409							(8,409)
Dividendsunvestedshares					400			0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(1,206)							(1,206)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	27
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 31,537
Common Stock, Shares, Issued	17,409
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 343,137	1,741	242,675	2,498	212,731	(14,010)	$ (102,498)	343,137
Cumulative Effect of New Accounting Principle in Period of Adoption	875
Common Stock Issued, Employee Trust, Deferred	$ (2,498)							0
Treasury Stock, Shares	804						(803)
Common Stock, Shares, Issued	15,873
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 314,437	1,588	146,991	2,685	180,792	(14,934)	$ (2,685)	314,437
Common Stock Issued, Employee Trust, Deferred	$ (2,685)
Treasury Stock, Shares	47						(47)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures								36
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition								7,759
Stock Repurchased and Retired During Period, Value					29,600			(35,143)
Payments of Ordinary Dividends, Common Stock	$ 8,930							(8,930)
Dividendsunvestedshares					200			0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(683)							(683)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	75
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 4,490
Common Stock, Shares, Issued	15,915
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 280,374	$ 1,592	$ 149,435	$ 2,747	$ 144,889	$ (15,542)	$ (2,747)	280,374
Cumulative Effect of New Accounting Principle in Period of Adoption	(1,667)
Common Stock Issued, Employee Trust, Deferred	$ (2,747)							$ 0
Treasury Stock, Shares	48						(48)