Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest Income
Loans	$ 61,777	$ 47,429
Taxable securities	5,245	4,417
Tax-exempt securities	2,525	2,467
Federal funds sold and deposits in banks	165	298
Total interest income	69,712	54,611
Interest Expense
Deposits	1,779	3,079
Federal Home Loan Bank advances	750	694
Long-term obligations	0	251
Other borrowings	120	138
Total interest expense	2,649	4,162
Net Interest Income	67,063	50,449
Provision for loan and lease losses	20,185	(422)
Net interest income after provision (recapture) for loan and lease losses	46,878	50,871
Noninterest Income (Loss)
Service charges and other fees	7,177	6,288
Merchant services fees	2,018	1,633
Gain on sale of investment securities, net	62	0
Bank owned life insurance	711	505
Change in FDIC loss sharing asset	(1,668)	(14,774)
Other	1,274	929
Total noninterest income (loss)	9,574	(5,419)
Noninterest Expense
Compensation and employee benefits	21,995	18,921
Occupancy	5,333	4,397
Merchant processing	873	883
Advertising and promotion	882	901
Data processing and communications	2,213	1,924
Legal and professional fees	1,609	1,413
Taxes, licenses and fees	1,355	865
Regulatory premiums	860	2,195
Net cost (benefit) of operation of other real estate owned	910	(442)
Amortization of intangibles	1,150	984
Other	7,172	5,305
Total noninterest expense	44,352	37,346
Income before income taxes	12,100	8,106
Income tax provision	3,198	2,327
Net Income	8,902	5,779
Earnings per common share
Basic ($ per share)	$ 0.22	$ 0.15
Diluted ($ per share)	$ 0.22	$ 0.15
Dividends paid per common share	$ 0.37	$ 0.03
Weighted average number of common shares outstanding	39,195	39,043
Weighted average number of diluted common shares outstanding	39,298	39,156
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	4,500	0
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ 15,685	$ (422)