Summary of Significant Accounting Policies, Inventories (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2015	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Inventories [Abstract]
Raw materials			$ 114,193	$ 101,479
Finished goods			151,063	237,012
Inventories			265,256	338,491
Inventory Valuation Reserve [Member]
Valuation Allowance [Roll Forward]
Beginning balance, adjustments to inventory carrying value			56,034	5,934	$ 5,461
Additions	$ 37,900	$ 50,000	38,605	77,379	12,311
Write-offs			(73,895)	(27,279)	(11,838)
Ending balance, adjustments to inventory carrying value			$ 20,744	$ 56,034	$ 5,934