Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income:
Non-purchased loans and leases	$ 56,637	$ 36,833	$ 107,069	$ 70,247
Purchased loans	35,762	25,128	68,622	42,013
Investment securities:
Taxable	3,230	2,790	6,715	5,149
Tax-exempt	4,456	4,974	9,125	9,371
Deposits with banks and federal funds sold	18	35	27	38
Total interest income	100,103	69,760	191,558	126,818
Interest expense:
Deposits	3,917	1,827	7,454	3,408
Repurchase agreements with customers	19	13	36	25
Other borrowings	1,443	2,692	3,146	5,347
Subordinated debentures	968	427	1,676	840
Total interest expense	6,347	4,959	12,312	9,620
Net interest income	93,756	64,801	179,246	117,198
Provision for loan and lease losses	(4,308)	(5,582)	(10,623)	(6,887)
Net interest income after provision for loan and lease losses	89,448	59,219	168,623	110,311
Non-interest income:
Service charges on deposit accounts	7,088	6,605	13,715	12,244
Mortgage lending income	1,772	1,126	3,279	2,080
Trust income	1,463	1,364	2,895	2,681
BOLI income	1,785	1,278	5,407	2,408
Net amortization of FDIC loss share receivable and FDIC clawback payable	0	(741)	0	(49)
Other income from purchased loans, net	6,971	3,629	15,879	6,940
Net gains on investment securities	85	18	2,618	23
Gains on sales of other assets	2,557	1,448	5,385	2,422
Gain on merger and acquisition transaction	0	0	0	4,667
Other	1,549	2,661	3,159	4,333
Total non-interest income	23,270	17,388	52,337	37,749
Non-interest expense:
Salaries and employee benefits	22,646	18,831	45,243	36,520
Net occupancy and equipment	7,344	5,707	14,635	10,751
Other operating expenses	13,734	13,340	34,030	28,062
Total non-interest expense	43,724	37,878	93,908	75,333
Income before taxes	68,994	38,729	127,052	72,727
Provision for income taxes	24,190	12,251	42,330	20,981
Net income	44,804	26,478	84,722	51,746
Earnings attributable to noncontrolling interest	(28)	8	(52)	16
Net income available to common stockholders	$ 44,776	$ 26,486	$ 84,670	$ 51,762
Basic earnings per common share	$ 0.52	$ 0.35	$ 0.99	$ 0.69
Diluted earnings per common share	0.51	0.34	0.98	0.68
Dividends declared per common share	$ 0.135	$ 0.115	$ 0.265	$ 0.225