Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest Income
Loans	$ 65,903	$ 74,125	$ 198,448	$ 196,990
Taxable securities	8,545	4,935	21,679	14,059
Tax-exempt securities	2,624	2,483	7,913	7,289
Deposits in banks	61	56	105	290
Total interest income	77,133	81,599	228,145	218,628
Interest Expense
Deposits	713	929	2,194	3,072
Federal Home Loan Bank advances	80	135	309	(493)
Prepayment charge on Federal Home Loan Bank advances	0	0	0	1,548
Other borrowings	120	120	358	615
Total interest expense	913	1,184	2,861	4,742
Net Interest Income	76,220	80,415	225,284	213,886
Provision for loan and lease losses			5,019	3,581
Net interest income after provision for loan and lease losses	75,240	77,102	220,265	210,305
Noninterest Income (Loss)
Service charges and other fees	14,254	13,357	40,980	34,511
Merchant services fees	2,104	2,070	6,014	5,934
Gain (Loss) on Sale of Securities, Net	33	0	552	462
Bank owned life insurance	956	904	2,897	2,610
Change in FDIC loss sharing asset	(4,816)	(11,826)	(14,685)	(35,446)
Other	3,399	3,117	8,807	8,017
Total noninterest income (loss)	15,930	7,622	44,565	16,088
Noninterest Expense
Compensation and employee benefits	32,559	33,287	94,961	90,597
Occupancy	7,445	9,264	24,276	21,560
Merchant processing	1,080	951	3,058	2,660
Advertising and promotion	1,027	1,165	2,746	3,195
Data processing and communications	4,269	4,285	11,469	10,503
Legal and professional fees	2,905	2,421	7,377	9,975
Taxes, licenses and fees	1,156	1,446	3,387	4,037
Regulatory premiums	1,195	1,372	3,444	3,406
Net cost (benefit) of operation of other real estate owned	(1,256)	(777)	(1,207)	(6,106)
Amortization of intangibles	1,456	1,666	4,516	4,388
Other	8,146	9,634	21,105	23,052
Total noninterest expense	59,982	64,714	175,132	167,267
Income before income taxes	31,188	20,010	89,698	59,126
Income tax provision	9,605	6,734	27,044	19,083
Net Income	21,583	13,276	62,654	40,043
Earnings per common share
Basic ($ per share)	$ 0.41	$ 0.26	$ 1.20	$ 0.84
Diluted ($ per share)	$ 0.41	$ 0.25	$ 1.18	$ 0.83
Dividends paid per common share	$ 0.28	$ 0.10	$ 0.64	$ 0.30
Weighted average number of common shares outstanding	52,112	50,834	51,772	47,032
Weighted average number of diluted common shares outstanding	52,516	52,297	52,479	47,947
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	1,500	4,260	1,600	5,260
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ (520)	$ (947)	$ 3,419	$ (1,679)