Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 249,953	$ 253,827
Interest-bearing deposits in other banks	527,659	798,231
Investment securities	5,260,262	5,077,514
Loans and leases	11,781,496	11,520,378
Less: allowance for loan and lease losses	135,847	135,494
Net loans and leases	11,645,649	11,384,884
Premises and equipment, net	295,608	300,788
Other real estate owned and repossessed personal property	329	329
Accrued interest receivable	39,386	41,971
Bank-owned life insurance	429,800	429,209
Goodwill	995,492	995,492
Other intangible assets	15,800	16,809
Other assets	332,847	362,775
Total assets	19,792,785	19,661,829
Deposits:
Interest-bearing	10,917,631	10,801,915
Noninterest-bearing	6,020,547	5,992,617
Total deposits	16,938,178	16,794,532
Short-term borrowings		9,151
Long-term debt	41	41
Retirement benefits payable	133,819	132,904
Other liabilities	214,753	248,716
Total liabilities	17,286,791	17,185,344
Commitments and contingent liabilities (Note 11)
Stockholders' equity:
Common stock ($0.01 par value; authorized 300,000,000 shares; issued and outstanding xxx shares and 139,530,654 shares as of March 31, 2017 and December 31, 2016, respectively)	1,395	1,395
Additional paid-in capital	2,486,596	2,484,251
Retained earnings	104,695	78,850
Accumulated other comprehensive loss, net	(86,692)	(88,011)
Total stockholders' equity	2,505,994	2,476,485
Total liabilities and stockholders' equity	$ 19,792,785	$ 19,661,829