Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 507,569	$ 534,086
Overnight investments	2,276,080	2,063,132
Investment securities available for sale	6,557,580	6,861,293
Investment securities held to maturity	156	255
Loans held for sale	84,795	59,766
Loans and Leases Receivable, Gross	20,742,571	20,239,990
Less allowance for loan and lease losses	(208,008)	(206,216)
Net loans and leases	20,534,563	20,033,774
Premises and equipment	1,120,970	1,135,829
Other Real Estate	67,089	65,559
Income earned not collected	71,916	70,036
FDIC Indemnification Asset	5,281	4,054
Goodwill	139,773	139,773
Other intangible assets	80,555	90,986
Other assets	784,076	417,391
Total assets	32,230,403	31,475,934
Liabilities
Noninterest-bearing	9,779,926	9,274,470
Interest-bearing	17,477,848	17,656,285
Total deposits	27,257,774	26,930,755
Short-term borrowings	728,562	594,733
Long-term obligations	850,504	704,155
FDIC loss share payable	94,252	126,453
Other liabilities	263,607	247,729
Total liabilities	29,194,699	28,603,825
Shareholders' Equity
Surplus	658,918	658,918
Retained earnings	2,379,803	2,265,621
Accumulated other comprehensive loss	(15,027)	(64,440)
Total shareholders' equity	3,035,704	2,872,109
Total liabilities and shareholders' equity	32,230,403	31,475,934
Class A Common Stock
Shareholders' Equity
Common stock	11,005	11,005
Class B Common Stock
Shareholders' Equity
Common stock	$ 1,005	$ 1,005