Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Interest Income
Loans	$ 65,541	$ 48,028
Taxable securities	6,752	4,234
Tax-exempt securities	2,618	2,298
Federal funds sold and deposits in banks	14	201
Total interest income	74,925	54,761
Interest Expense
Deposits	752	1,089
Federal Home Loan Bank advances	114	71
Other borrowings	119	119
Total interest expense	985	1,279
Net Interest Income	73,940	53,482
Provision for loan and lease losses	1,922	(20)
Net interest income after provision for loan and lease losses	72,018	53,502
Noninterest Income (Loss)
Service charges and other fees	12,936	7,594
Merchant services fees	1,870	1,851
Investment securities gains, net	223	370
Bank owned life insurance	965	698
Change in FDIC loss sharing asset	(4,819)	(10,483)
Other	2,833	1,628
Total noninterest income (loss)	14,008	1,658
Noninterest Expense
Compensation and employee benefits	31,338	21,653
Occupancy	8,244	4,753
Merchant processing	980	857
Advertising and promotion	769	870
Data processing and communications	3,520	2,580
Legal and professional fees	2,169	2,050
Taxes, licenses and fees	1,180	1,387
Regulatory premiums	1,176	857
Net cost (benefit) of operation of other real estate owned	146	(2,501)
Amortization of intangibles	1,580	1,029
Other	6,284	4,514
Total noninterest expense	57,386	38,049
Income before income taxes	28,640	17,111
Income tax provision	8,796	4,935
Net Income	19,844	12,176
Earnings per common share
Basic ($ per share)	$ 0.38	$ 0.31
Diluted ($ per share)	$ 0.37	$ 0.31
Dividends paid per common share	$ 0.12	$ 0.10
Weighted average number of common shares outstanding	51,097	39,348
Weighted average number of diluted common shares outstanding	52,433	39,351
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	(500)	(1,000)
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ 2,422	$ 980