Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 371,622	$ 300,096
Interest-bearing deposits in other banks	804,198	2,350,099
Investment securities	5,363,696	4,027,265
Loans and leases	11,396,555	10,722,030
Less: allowance for loan and lease losses	135,025	135,484
Net loans and leases	11,261,530	10,586,546
Premises and equipment, net	302,059	305,104
Other real estate owned and repossessed personal property	854	154
Accrued interest receivable	37,107	34,215
Bank-owned life insurance	432,031	424,545
Goodwill	995,492	995,492
Other intangible assets	17,554	21,435
Other assets	306,550	307,730
Total assets	19,892,693	19,352,681
Deposits:
Interest-bearing	11,164,989	10,730,095
Noninterest-bearing	5,800,538	5,331,829
Total deposits	16,965,527	16,061,924
Short-term borrowings	9,151	216,151
Long-term debt	41	48
Retirement benefits payable	139,567	133,910
Other liabilities	254,444	203,707
Total liabilities	17,368,730	16,615,740
Commitments and contingent liabilities (Note 12)
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 September 30, 2016 and December 31, 2015, respectively)	1,395
Additional paid-in capital	2,482,679
Retained earnings	50,204
Accumulated other comprehensive loss, net	(10,315)	(51,259)
Total stockholders' equity	2,523,963	2,736,941
Total liabilities and stockholders' equity	$ 19,892,693	$ 19,352,681