Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks (restricted cash of $36,962 and $27,939)	$ 308,938	$ 330,856
Interest bearing cash and temporary investments	570,321	303,424
Total cash and cash equivalents	879,259	634,280
Investment securities
Equity and other, at fair value	62,454	12,255
Available for sale, at fair value	2,864,394	3,065,769
Held to maturity, at amortized cost	3,672	3,803
Loans held for sale, at fair value	289,537	259,518
Loans and leases	19,854,033	19,019,192
Allowance for loan and lease losses	(144,026)	(140,608)
Net loans and leases	19,710,007	18,878,584
Restricted equity securities	40,269	43,508
Premises and equipment, net	237,456	269,182
Goodwill	1,787,651	1,787,651
Other intangible assets, net	25,506	30,130
Residential mortgage servicing rights, at fair value	175,038	153,151
Other real estate owned	11,774	11,734
Bank owned life insurance	311,922	306,864
Other assets	216,128	224,018
Total assets	26,615,067	25,680,447
Deposits
Noninterest bearing	6,859,411	6,505,628
Interest bearing	14,033,363	13,442,672
Total deposits	20,892,774	19,948,300
Securities sold under agreements to repurchase	286,975	294,299
Term debt	751,764	802,357
Junior subordinated debentures, at fair value	282,846	277,155
Junior subordinated debentures, at amortized cost	88,781	100,609
Deferred tax liability, net	22,413	21,930
Other liabilities	285,621	266,430
Total liabilities	22,611,174	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: 220,238,231 in 2018 and 220,148,824 in 2017	3,510,949	3,517,258
Retained earnings	568,619	477,101
Accumulated other comprehensive loss	(75,675)	(24,992)
Total shareholders' equity	4,003,893	3,969,367
Total liabilities and shareholders' equity	$ 26,615,067	$ 25,680,447