Income Taxes (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2031	Dec. 31, 2030	Dec. 31, 2029	Dec. 31, 2028	Dec. 31, 2027	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
NOL carryforwards by year of expiration:
Operating Loss Carryforwards	$ 626,288	$ 533,825	$ 184,463	$ 31,237	$ 2,014	$ 7,895	$ 14,612	$ 35,986	$ 68,888	$ 26,601	$ 50,176	$ 12,824	$ 3,980	$ 30,348	$ 8,778	$ 1,637,915
Non-expiring NOLs	549,795															5,021,678
Total	76,493															6,659,593
Domestic Country [Member]
NOL carryforwards by year of expiration:
Operating Loss Carryforwards		485,648	130,842	0	0	0	0	17,722	33,111	5,423	7,504	0	0	0	0	1,230,045
Non-expiring NOLs																0
Total																1,230,045
Foreign Country [Member]
NOL carryforwards by year of expiration:
Operating Loss Carryforwards		48,177	53,621	31,237	2,014	7,895	14,612	18,264	35,777	21,178	42,672	12,824	3,980	30,348	8,778	407,870
Non-expiring NOLs																5,021,678
Total																$ 5,429,548