Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity Note [Abstract]

Accumulated Other Comprehensive Income (Loss)

A rollforward of the components of accumulated other comprehensive income (loss) is included as follows (in thousands):
	Unrealized Gain (Loss) on
	Available for Sale Securities			Investment Securities Transferred from AFS			Employee Benefit Plans			Loss on Effective Cash Flow Hedges			Total
Balance, December 31, 2010	$	122,494		$	—		$	(13,777	)	$	(878	)	$	107,839
Net change in unrealized gains (losses)	63,944			—			(1		)	—			63,943
Other-than-temporary impairment losses recognized in earnings	9,423			—			—			—			9,423
Reclassification adjustment for net (gains) losses realized and included in earnings	(10,370		)	—			—			156			(10,214		)
Income tax expense (benefit)	(24,676		)	—			—			(60		)	(24,736		)
Balance, June 30, 2011	$	160,815		$	—		$	(13,778	)	$	(782	)	$	146,255
Balance, December 31, 2011	$	135,740		$	6,673		$	(12,742	)	$	(692	)	$	128,979
Net change in unrealized gains (losses)	40,325			—			(291		)	—			40,034
Other-than-temporary impairment losses recognized in earnings	4,580			—			—			—			4,580
Amortization of unrealized gain on investments securities transferred from AFS	—			(3,421		)	—			—			(3,421		)
Reclassification adjustment for net(gains) losses realized and included in earnings	(24,812		)	—			—			331			(24,481		)
Income tax benefit (expense)	(7,816		)	1,331			113			(129		)	(6,501		)
Balance, June 30, 2012	$	148,017		$	4,583		$	(12,920	)	$	(490	)	$	139,190