CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest income
Loans, including fees	$ 66,436	$ 74,016
Investment securities
Taxable	10,517	6,803
Tax-exempt	134	198
Total investment securities interest	10,651	7,001
Other earning assets	(1,990)	(954)
Total interest income	75,097	80,063
Interest expense
Deposits	7,716	11,400
Short-term borrowings	12	45
Long-term borrowings	680	1,089
Subordinated debentures and capital securities	0	194
Total interest expense	8,408	12,728
Net interest income	66,689	67,335
Provision for loan and lease losses - uncovered	3,258	647
Provision for loan and lease losses - covered	12,951	26,016
Net interest income after provision for loan losses	50,480	40,672
Noninterest income
Service charges on deposit accounts	4,909	4,610
Trust and wealth management fees	3,791	3,925
Bankcard income	2,536	2,155
Net gains from sales of loans	940	989
FDIC loss sharing income	12,816	23,435
Accelerated discount on covered loans	3,645	5,783
Other	3,288	2,761
Total noninterest income	31,925	43,658
Noninterest expenses
Salaries and employee benefits	28,861	27,570
Net occupancy	5,382	6,860
Furniture and equipment	2,244	2,553
Data processing	1,901	1,238
Marketing	1,154	1,241
Communication	894	814
Professional services	2,147	2,227
State intangible tax	1,026	1,365
FDIC expense	1,163	2,121
Loss (gain)-Other real estate owned	996	3,322
Loss-Covered other real estate owned	1,292	3,112
Other	8,718	5,367
Total noninterest expenses	55,778	57,790
Income before income taxes	26,627	26,540
Income tax expense	9,633	9,333
Net income	$ 16,994	$ 17,207
Net earnings per common share - basic:	$ 0.29	$ 0.30
Net earnings per common share - diluted:	$ 0.29	$ 0.29
Cash dividends declared per share	$ 0.31	$ 0.12
Average basic shares outstanding	57,795,258	57,591,568
Average diluted shares outstanding	58,881,043	58,709,037