Consolidated Income Statements (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest income:
Loans, including fees	$ 81,093	$ 68,342	$ 155,818	$ 136,102
Investment securities-taxable	3,616	5,815	7,448	12,227
Investment securities-non-taxable	3,227	2,528	6,356	4,768
Dividends-taxable	294	314	653	594
Dividends-non-taxable	685	732	1,523	1,385
Other	370	115	595	207
Total interest income	89,285	77,846	172,393	155,283
Interest expense:
Deposits	3,929	4,168	7,661	8,930
Customer repurchase agreements	22	58	57	122
Other borrowings	2,727	2,328	5,399	4,398
Junior subordinated debt	455	487	921	971
Total interest expense	7,133	7,041	14,038	14,421
Net interest income	82,152	70,805	158,355	140,862
Provision for credit losses	3,481	13,330	8,920	26,411
Net interest income after provision for credit losses	78,671	57,475	149,435	114,451
Non-interest income:
Service charges and fees	2,449	2,317	4,983	4,602
Income from bank owned life insurance	1,036	1,120	2,072	2,243
Amortization of affordable housing investments	(900)	(59)	(1,800)	(59)
(Loss) Gain on sales of securities, net	(5)	1,110	143	1,471
Mark to market (losses) gains, net	(3,290)	564	(3,761)	232
Other fee revenue		870		1,870
Bargain purchase gain from acquisition	10,044		10,044
Other	1,528	1,475	3,080	2,922
Total non-interest income	10,862	7,397	14,761	13,281
Non-interest expense:
Salaries and employee benefits	28,100	25,995	54,675	52,659
Occupancy expense, net	4,753	4,669	9,599	9,391
Legal, professional and directors' fees	2,228	2,517	5,012	4,089
Data processing	2,175	1,293	4,040	2,288
Insurance	2,096	2,152	4,466	4,202
Marketing	1,607	1,459	3,372	2,830
Loan and repossessed asset expenses	721	1,653	2,317	3,337
Customer service	717	682	1,360	1,274
Net (gain) loss on sales/valuations of repossessed assets and bank premises, net	(1,124)	901	(605)	3,552
Intangible amortization	597	890	1,194	1,779
Merger/ restructure expenses	2,620		2,815
Other	4,041	3,220	7,215	6,927
Total non-interest expense	48,531	45,431	95,460	92,328
Income from continuing operations before provision for income taxes	41,002	19,441	68,736	35,404
Income tax expense	6,817	5,259	13,625	9,700
Income from continuing operations	34,185	14,182	55,111	25,704
Loss from discontinued operations, net of tax benefit	(169)	(221)	(131)	(443)
Net income	34,016	13,961	54,980	25,261
Dividends on preferred stock	353	1,325	705	3,088
Net income available to common shareholders	$ 33,663	$ 12,636	$ 54,275	$ 22,173
Earnings per share from continuing operations:
Basic	$ 0.39	$ 0.16	$ 0.64	$ 0.28
Diluted	$ 0.39	$ 0.16	$ 0.63	$ 0.28
Loss per share from discontinued operations:
Basic	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Diluted	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Earnings per share applicable to common shareholders:
Basic	$ 0.39	$ 0.15	$ 0.63	$ 0.27
Diluted	$ 0.39	$ 0.15	$ 0.63	$ 0.27
Weighted average number of common shares outstanding:
Basic	85,659	81,590	85,493	81,475
Diluted	86,524	81,955	86,254	82,091
Dividends declared per common share