Income Taxes Schedule of Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income (loss) before income taxes
Domestic	$ 196,750	$ 115,526	$ 86,605
Foreign	(112,123)	(78,424)	(104,870)
Income (loss) before income taxes	84,627	37,102	(18,265)
Expected federal income tax provision (benefit)	29,619	12,986	(6,393)
Goodwill impairment	0	0	119
Change in valuation allowance	26,640	40,402	100,053
Stock-based compensation	2,762	939	1,255
Foreign earnings	(12,584)	(33,364)	(31,544)
Tax credits	(7,471)	(5,257)	(91,148)
Uncertain tax positions, including interest and penalties	3,817	4,274	1,519
Change in tax rates	67	312	(20)
State income tax provision (benefit), net of federal effect	2,806	(14)	(1,235)
U.S. tax provision on foreign earnings	997	203	31,309
Domestic production activities deduction	(2,424)	(1,100)	(2,312)
Local foreign taxes	2,914	1,450	2,295
Other, net	2,431	1,268	137
Total provision for income taxes	$ 49,574	$ 22,099	$ 4,035