Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and due from banks	$ 282,455	$ 178,685
Interest bearing deposits	1,322,214	611,224
Temporary investments	502	514
Total cash and cash equivalents	1,605,171	790,423
Investment securities
Trading, at fair value	9,999	5,958
Available for sale, at fair value	2,298,555	1,790,978
Held to maturity, at amortized cost	5,211	5,563
Loans held for sale, at fair value	286,802	104,664
Loans and leases	15,327,732	7,728,166
Allowance for loan and lease losses	(116,167)	(95,085)
Net loans and leases	15,211,565	7,633,081
Restricted equity securities	119,334	30,685
Premises and equipment, net	317,834	177,680
Goodwill	1,786,225	764,305
Other intangible assets, net	56,733	12,378
Residential mortgage servicing rights, at fair value	117,259	47,765
Other real estate owned	37,942	23,935
FDIC indemnification asset	4,417	23,174
Bank owned life insurance	294,296	96,938
Deferred tax asset, net	229,520	16,627
Other assets	232,411	111,958
Total assets	22,613,274	11,636,112
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest bearing	4,744,804	2,436,477
Interest bearing	12,147,295	6,681,183
Total deposits	16,892,099	9,117,660
Securities sold under agreements to repurchase	313,321	224,882
Term debt	1,006,395	251,494
Junior subordinated debentures, at fair value	249,294	87,274
Junior subordinated debentures, at amortized cost	101,576	101,899
Other liabilities	269,592	125,477
Total liabilities	18,832,277	9,908,686
COMMITMENTS AND CONTINGENCIES (NOTE 19)
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 as of December 31, 2014 and 200,000,000 as of December 31, 2013; issued and outstanding: 220,161,120 in 2014 and 111,973,203 in 2013	3,519,316	1,514,485
Retained earnings	249,613	217,917
Accumulated other comprehensive income (loss)	12,068	(4,976)
Total shareholders' equity	3,780,997	1,727,426
Total liabilities and shareholders' equity	$ 22,613,274	$ 11,636,112