Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (49,134)	$ (1,013)	$ (131,318)	$ (2,884)
Other comprehensive income (loss):
Amortization of accumulated actuarial gains or losses, pension	361	872	1,078	2,617
Adjustments to accumulated actuarial losses and transition obligations, pension	(371)	0	(172)	0
Amortization of accumulated actuarial gains or losses, transition obligations, and prior service costs, postretirement medical benefit	3	1,002	13	3,004
Tax effect of other comprehensive income gains	(487)	0	(711)	0
Change in foreign currency translation adjustment	(14,642)	0	(5,364)	0
Unrealized and realized gains and losses on available-for-sale securities	1,231	(16)	1,231	(55)
Other comprehensive income	(13,905)	1,858	(3,925)	5,566
Comprehensive income (loss) attributable to the Parent company	$ (63,039)	$ 845	$ (135,243)	$ 2,682