Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest Income
Loans	$ 48,028	$ 61,777
Taxable securities	4,234	5,245
Tax-exempt securities	2,298	2,525
Federal funds sold and deposits in banks	201	165
Total interest income	54,761	69,712
Interest Expense
Deposits	1,089	1,779
Federal Home Loan Bank advances	71	750
Other borrowings	119	120
Total interest expense	1,279	2,649
Net Interest Income	53,482	67,063
Provision for loan and lease losses	(20)	20,185
Net interest income after provision for loan and lease losses	53,502	46,878
Noninterest Income (Loss)
Service charges and other fees	7,594	7,177
Merchant services fees	1,851	2,018
Investment securities gains, net	370	62
Bank owned life insurance	698	711
Change in FDIC loss sharing asset	(10,483)	(1,668)
Other	1,628	1,274
Total noninterest income (loss)	1,658	9,574
Noninterest Expense
Compensation and employee benefits	21,653	21,995
Occupancy	4,753	5,333
Merchant processing	857	873
Advertising and promotion	870	882
Data processing and communications	2,580	2,213
Legal and professional fees	2,050	1,609
Taxes, licenses and fees	1,387	1,355
Regulatory premiums	857	860
Net cost (benefit) of operation of other real estate owned	(2,501)	910
Amortization of intangibles	1,029	1,150
Other	4,514	7,172
Total noninterest expense	38,049	44,352
Income before income taxes	17,111	12,100
Income tax provision	4,935	3,198
Net Income	12,176	8,902
Earnings per common share
Basic ($ per share)	$ 0.31	$ 0.22
Diluted ($ per share)	$ 0.31	$ 0.22
Dividends paid per common share	$ 0.10	$ 0.37
Weighted average number of common shares outstanding	39,348	39,195
Weighted average number of diluted common shares outstanding	39,351	39,298
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	(1,000)	4,500
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ 980	$ 15,685