Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and due from banks (restricted cash of $27,557 and $51,017)	$ 262,655	$ 331,994
Interest bearing cash and temporary investments (restricted cash of $645 and $0)	421,991	1,117,438
Total cash and cash equivalents	684,646	1,449,432
Investment securities
Trading, at fair value	11,241	10,964
Available for sale, at fair value	3,243,408	2,701,220
Held to maturity, at amortized cost	4,121	4,216
Loans held for sale, at fair value	372,073	387,318
Loans and leases	17,829,638	17,508,663
Allowance for loan and lease losses	(136,292)	(133,984)
Net loans and leases	17,693,346	17,374,679
Restricted equity securities	45,522	45,528
Premises and equipment, net	293,133	303,882
Goodwill	1,787,651	1,787,651
Other intangible assets, net	35,197	36,886
Residential mortgage servicing rights, at fair value	142,344	142,973
Other real estate owned	6,518	6,738
Bank owned life insurance	301,777	299,673
Deferred tax asset, net	8,464	34,322
Other assets	232,017	227,637
Total assets	24,861,458	24,813,119
Deposits
Noninterest bearing	6,021,585	5,861,469
Interest bearing	13,145,708	13,159,516
Total deposits	19,167,293	19,020,985
Securities sold under agreements to repurchase	304,280	352,948
Term debt	852,308	852,397
Junior subordinated debentures, at fair value	263,605	262,209
Junior subordinated debentures, at amortized cost	100,851	100,931
Other liabilities	241,971	306,854
Total liabilities	20,930,308	20,896,324
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 in 2017 and 2016; issued and outstanding: 220,349,111 in 2017 and 220,177,030 in 2016	3,516,537	3,515,299
Retained earnings	433,417	422,839
Accumulated other comprehensive loss	(18,804)	(21,343)
Total shareholders' equity	3,931,150	3,916,795
Total liabilities and shareholders' equity	$ 24,861,458	$ 24,813,119