Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks (restricted cash of $111,070 and $58,813)	$ 369,535	$ 277,645
Interest bearing cash and temporary investments (restricted cash of $1,186 and $3,938)	535,828	496,080
Total cash and cash equivalents	905,363	773,725
Investment securities
Trading, at fair value	10,188	9,586
Available for sale, at fair value	2,482,072	2,522,539
Held to maturity, at amortized cost	4,382	4,609
Loans held for sale ($542,917 and $363,275, at fair value)	552,681	363,275
Loans and leases	17,355,240	16,866,536
Allowance for loan and lease losses	(131,042)	(130,322)
Net loans and leases	17,224,198	16,736,214
Restricted equity securities	47,542	46,949
Premises and equipment, net	312,647	328,734
Goodwill	1,787,651	1,787,793
Other intangible assets, net	40,620	45,508
Residential mortgage servicing rights, at fair value	112,095	131,817
Other real estate owned	16,437	22,307
Bank owned life insurance	295,444	291,892
Deferred tax asset, net	63,038	138,082
Other assets	278,149	203,351
Total assets	24,132,507	23,406,381
Deposits
Noninterest bearing	5,475,986	5,318,591
Interest bearing	12,782,488	12,388,598
Total deposits	18,258,474	17,707,189
Securities sold under agreements to repurchase	360,234	304,560
Term debt	902,999	888,769
Junior subordinated debentures, at fair value	258,660	255,457
Junior subordinated debentures, at amortized cost	101,093	101,254
Other liabilities	348,889	299,818
Total liabilities	20,230,349	19,557,047
COMMITMENTS AND CONTINGENCIES (NOTE 8)
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 in 2016 and 2015; issued and outstanding: 220,482,147 in 2016 and 220,171,091 in 2015	3,517,240	3,520,591
Retained earnings	362,258	331,301
Accumulated other comprehensive income (loss)	22,660	(2,558)
Total shareholders' equity	3,902,158	3,849,334
Total liabilities and shareholders' equity	$ 24,132,507	$ 23,406,381