CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Net Income	$ 86,409		$ (120,307)
Other comprehensive income (loss) before tax:
Foreign currency translation adjustment	(2,115)	[1]	724	[1]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, before Tax	7,718	[1]	0	[1]
Amortization of net losses	2,126		6,169
Prior service cost	(950)		0
Unrealized holding gains (losses) on securities available-for-sale arising during the period	27,582		(28,955)
Unrealized net gains (losses) on cash flow hedges	(1,725)		(99)
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax	1,824		(152)
Other comprehensive income before tax	34,460		(22,313)
Income tax (expense) benefit	(1,990)		3,173
Total other comprehensive income (loss), net of tax	32,470		(19,140)
Comprehensive income (loss), net of tax	$ 118,879		$ (139,447)

[1] All amounts presented are net of tax.