CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Interest income:
Loans and leases	$ 61,010	$ 65,455	$ 64,752
Investment securities	8,216	8,173	9,580
Deposits in financial institutions	43	74	68
Total interest income	69,269	73,702	74,400
Interest expense:
Deposits	2,649	3,039	3,604
Borrowings	144	228	1,925
Subordinated debentures	783	832	1,191
Total interest expense	3,576	4,099	6,720
Net interest income	65,693	69,603	67,680
Provision (negative provision) for credit losses:
Non-covered loans and leases			(10,000)
Covered loans	3,137	(4,333)	3,926
Total provision (negative provision) for credit losses	3,137	(4,333)	(6,074)
Net interest income after provision for credit losses	62,556	73,936	73,754
Noninterest income:
Service charges on deposit accounts	2,863	3,063	3,353
Other commissions and fees	1,933	2,025	1,883
Gain on sale of leases	225	1,242	990
Gain on sale of securities	409	1,239
Increase in cash surrender value of life insurance	433	300	365
FDIC loss sharing (expense) income, net	(3,137)	(6,022)	(3,579)
Other income	114	210	250
Total noninterest income	2,840	2,057	3,262
Noninterest expense:
Compensation	25,350	23,269	24,187
Occupancy	6,598	6,773	7,288
Data processing	2,233	2,272	2,280
Other professional services	2,097	2,200	1,770
Business development	736	684	638
Communications	613	637	608
Insurance and assessments	1,261	1,270	1,293
Non-covered other real estate owned, net	313	316	1,821
Covered other real estate owned, net	(813)	(461)	822
Intangible asset amortization	1,176	1,176	1,735
Acquisition and integration	692	1,092	25
Debt termination			22,598
Other expense	3,927	4,297	3,830
Total noninterest expense	44,183	43,525	68,895
Earnings before income taxes	21,213	32,468	8,121
Income tax expense	(7,719)	(12,576)	(2,857)
Net earnings	$ 13,494	$ 19,892	$ 5,264
Earnings per share:
Basic (in dollars per share)	$ 0.37	$ 0.54	$ 0.14
Diluted (in dollars per share)	$ 0.37	$ 0.54	$ 0.14
Dividends declared per share (in dollars per share)	$ 0.25	$ 0.25	$ 0.18