Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks (restricted cash of $34,864 and $27,939)	$ 314,513	$ 330,856
Interest bearing cash and temporary investments	488,499	303,424
Total cash and cash equivalents	803,012	634,280
Investment securities
Equity and other, at fair value	64,297	12,255
Available for sale, at fair value	2,854,398	3,065,769
Held to maturity, at amortized cost	3,586	3,803
Loans held for sale, at fair value	432,642	259,518
Loans and leases	19,639,494	19,019,192
Allowance for loan and lease losses	(144,556)	(140,608)
Net loans and leases	19,494,938	18,878,584
Restricted equity securities	42,320	43,508
Premises and equipment, net	245,954	269,182
Goodwill	1,787,651	1,787,651
Other intangible assets, net	27,047	30,130
Residential mortgage servicing rights, at fair value	166,217	153,151
Other real estate owned	12,101	11,734
Bank owned life insurance	309,844	306,864
Other assets	236,594	224,018
Total assets	26,480,601	25,680,447
Deposits
Noninterest bearing	6,819,325	6,505,628
Interest bearing	13,925,201	13,442,672
Total deposits	20,744,526	19,948,300
Securities sold under agreements to repurchase	273,666	294,299
Term debt	801,739	802,357
Junior subordinated debentures, at fair value	280,669	277,155
Junior subordinated debentures, at amortized cost	88,838	100,609
Deferred tax liability, net	27,255	21,930
Other liabilities	282,821	266,430
Total liabilities	22,499,514	21,711,080
COMMITMENTS AND CONTINGENCIES (NOTE 8)
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 in 2018 and 2017; issued and outstanding: 220,204,691 in 2018 and 220,148,824 in 2017	3,509,146	3,517,258
Retained earnings	524,031	477,101
Accumulated other comprehensive loss	(52,090)	(24,992)
Total shareholders' equity	3,981,087	3,969,367
Total liabilities and shareholders' equity	$ 26,480,601	$ 25,680,447