Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 253,827	$ 300,096
Interest-bearing deposits in other banks	798,231	2,350,099
Investment securities	5,077,514	4,027,265
Loans and leases	11,520,378	10,722,030
Less: allowance for loan and lease losses	135,494	135,484
Net loans and leases	11,384,884	10,586,546
Premises and equipment, net	300,788	305,104
Other real estate owned and repossessed personal property	329	154
Accrued interest receivable	41,971	34,215
Bank-owned life insurance	429,209	424,545
Goodwill	995,492	995,492
Other intangible assets	16,809	21,435
Other assets	362,775	307,730
Total assets	19,661,829	19,352,681
Deposits:
Interest-bearing	10,801,915	10,730,095
Noninterest-bearing	5,992,617	5,331,829
Total deposits	16,794,532	16,061,924
Short-term borrowings	9,151	216,151
Long-term debt	41	48
Retirement benefits payable	132,904	133,910
Other liabilities	248,716	203,707
Total liabilities	17,185,344	16,615,740
Commitments and contingent liabilities (Notes 14 and 18)
Stockholders' equity:
Net investment		2,788,200
Common stock ($0.01 par value; authorized 300,000,000 shares; issued and outstanding 139,530,654 shares and 139,459,620 shares as of December 31, 2016 and 2015, respectively)	1,395
Additional paid-in capital	2,484,251
Retained earnings	78,850
Accumulated other comprehensive loss, net	(88,011)	(51,259)
Total stockholders' equity	2,476,485	2,736,941
Total liabilities and stockholders' equity	$ 19,661,829	$ 19,352,681