Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Assets:
Cash and due from banks		$ 251,258	$ 261,544
Interest-bearing deposits		155,907	132,695
Securities available-for-sale, at fair value		2,984,631	2,793,873
Securities held-to-maturity (fair value of $3,961,534 and $3,948,706)		3,923,052	3,872,955
Federal Home Loan Bank and Federal Reserve Bank stock		188,347	193,290
Loans held for sale		37,091	67,952
Total Loans and Leases	[1],[2]	15,671,735	13,900,025
Allowance for loan and lease losses		(174,990)	(159,264)
Loans and leases, net		15,496,745	13,740,761
Deferred tax asset, net		101,578	73,873
Premises and equipment, net		129,426	121,933
Goodwill		538,373	529,887
Other intangible assets, net		39,326	2,666
Cash surrender value of life insurance policies		503,093	440,073
Accrued interest receivable and other assets		328,993	301,670
Total assets		24,677,820	22,533,172
Liabilities and shareholders' equity:
Non-interest-bearing		3,713,063	3,598,872
Interest-bearing		14,239,715	12,052,733
Total deposits		17,952,778	15,651,605
Securities sold under agreements to repurchase and other borrowings		1,151,400	1,250,756
Federal Home Loan Bank advances		2,664,139	2,859,431
Long-term debt		226,356	226,237
Accrued expenses and other liabilities		267,576	222,328
Total liabilities		22,262,249	20,210,357
Shareholders’ equity:
Common stock, $.01 par value: Authorized - 200,000,000 shares: Issued 93,651,601 and 93,623,090 shares		937	936
Paid-in capital		1,124,325	1,127,534
Retained earnings		1,317,559	1,202,251
Treasury stock, at cost (2,090,409 and 3,241,555 shares)		(71,854)	(103,294)
Accumulated other comprehensive loss, net of tax		(78,106)	(56,261)
Total shareholders' equity		2,415,571	2,322,815
Total liabilities and shareholders' equity		24,677,820	22,533,172
Series A Preferred Stock [Member]
Shareholders’ equity:
Preferred stock, $.01 par value; Authorized - 3,000,000 shares: Series A issued and outstanding - 28,939 shares and Series E issued and outstanding - 5,060 shares		0	28,939
Series E Preferred Stock [Member]
Shareholders’ equity:
Preferred stock, $.01 par value; Authorized - 3,000,000 shares: Series A issued and outstanding - 28,939 shares and Series E issued and outstanding - 5,060 shares		$ 122,710	$ 122,710

[1] Accrued interest of $43.1 million and $38.4 million at December 31, 2015 and December 31, 2014, respectively, are not included in the loan and lease balances.

[2] Loan and lease balances include net deferred fees and unamortized premiums of $18.0 million and $10.6 million at December 31, 2015 and December 31, 2014, respectively.