Unaudited Condensed Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Deferred Compensation Expense [Member]	Total
Balance at Dec. 31, 2014	$ 271	$ 410,641	$ 659,403	$ (30,665)	$ (78,441)	$ 7,544	$ 968,753
Balance (in shares) at Dec. 31, 2014					2,484
Net income (loss)			(13,371)				(13,371)
Dividends Declared (in thousands)			11				11
Issuance of common stock	1	5,306					5,307
Treasury stock (in shares)					19
Treasury stock					$ 1,549		1,549
Deferred compensation plan		(1,196)			$ (900)	900	(1,196)
Deferred compensation plan (in shares)					(50)
Foreign currency gain (loss)				(12,377)			(12,377)
Balance at Jun. 30, 2015	$ 272	$ 414,751	$ 646,043	$ (43,042)	$ (77,792)	$ 8,444	$ 948,676
Balance (in shares) at Jun. 30, 2015					2,515