Risk Concentrations (Tables)

12 Months Ended

Dec. 31, 2014

Risks Concentrations [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The Company's foreign revenues by geographical location are as follows:

	Year Ended December 31,
	2014		2013		2012
	(In thousands)
Europe	$	277,565	$	371,363	$	674,754
Asia	156,057		160,404		203,193
North America	78,445		80,322		72,542
Central and South America	20,496		55,493		57,184
Brokered Sales	79,354		154,442		145,438
Total	$	611,917	$	822,024	$	1,153,111