Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest income:
Loans	$ 84,436	$ 85,537	$ 165,623	$ 165,378
MBS	7,333	12,936	14,630	28,271
Investments and cash equivalents	2,248	2,517	4,521	5,306
Total interest income	94,017	100,990	184,774	198,955
Interest expense:
Deposits	6,038	9,921	12,345	21,023
Short-term borrowings	288	1,825	734	4,031
Long-term borrowings	7,277	10,334	14,387	20,638
Total interest expense	13,603	22,080	27,466	45,692
Net interest income	80,414	78,910	157,308	153,263
Provision for credit losses	0	4,000	0	8,000
Net interest income after provision for credit losses	80,414	74,910	157,308	145,263
Noninterest income:
Fees and service charges	15,618	14,131	29,748	26,871
Mortgage banking operations	23,180	24,181	36,974	42,725
BOLI	1,424	3,769	2,981	5,515
Gains on sales of securities	0	9,321	0	9,463
Other-than-temporary impairment credit losses on securities	0	(6,819)	0	(6,819)
Charge on prepayment of debt	0	(2,664)	0	(2,664)
Gains on other loan sales	1,194	2,811	1,219	3,411
Other	587	11	8,647	(2,174)
Total noninterest income	42,003	44,741	79,569	76,328
Noninterest expense	81,678	87,607	163,607	176,256
Income before income taxes	40,739	32,044	73,270	45,335
Income tax (provision) benefit	(12,978)	288,842	(22,831)	288,842
Net Income	$ 27,761	$ 320,886	$ 50,439	$ 334,177
Earnings per share - basic	$ 0.45	$ 5.17	$ 0.81	$ 5.38
Earnings per share - diluted	$ 0.44	$ 5.13	$ 0.80	$ 5.33
Dividends declared per share	$ 0.55	$ 0.00	$ 0.55	$ 0.00
Weighted average shares outstanding - basic	62,289,437	62,112,936	62,265,941	62,095,670
Weighted average shares outstanding - diluted (in shares)	63,107,913	62,610,054	63,076,481	62,648,152