Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Interest income:
Loans	$ 338,910		$ 331,514	$ 322,435
MBS	31,015		47,442	71,216
Investments and cash equivalents	9,096		10,244	10,641
Total interest income	379,021		389,200	404,292
Interest expense:
Deposits	23,863		37,697	59,634
Short-term borrowings	1,275		7,364	1,882
Long-term borrowings	29,649		39,461	47,581
Total interest expense	54,787		84,522	109,097
Net interest income	324,234		304,678	295,195
Provision for credit losses	0		10,000	30,000
Net interest income after provision for credit losses	324,234		294,678	265,195
Noninterest income:
Fees and service charges	60,917		55,773	50,073
Mortgage banking operations	59,956		97,292	49,163
BOLI	6,235		8,625	6,448
Gains on sales of securities	0		23,835	16,236
Other-than-temporary impairment losses on securities	0	[1]	(6,819)	0	[1]
Charge on prepayment of debt	0		(35,342)	0
Gains on other loan sales	3,998		4,372	4,442
Other	9,480		6,517	(34)
Total noninterest income	140,586		154,253	126,328
Noninterest expense	333,312		355,253	352,390
Income before income taxes	131,508		93,678	39,133
Current income tax (provision) benefit	27		163	275
Deferred income tax (provision) benefit	(37,894)		291,880	(275)
Total income tax (provision) benefit	(37,867)		292,043	0
Net Income	$ 93,641		$ 385,721	$ 39,133
Earnings per share - basic (in dollars per share)	$ 1.50		$ 6.21	$ 0.63
Earnings per share - diluted (in dollars per share)	$ 1.48		$ 6.14	$ 0.63
Dividend declared per share	$ 0.95		$ 0.80	$ 0.00
Weighted average shares outstanding - basic (in shares)	62,290,361		62,122,862	61,955,659
Weighted average shares outstanding - diluted (in shares)	63,371,763		62,772,079	62,231,208

[1] The other-than-temporary impairment recognized in earnings during 2012 did not have a portion recognized in accumulated other comprehensive income.