Consolidated Statements of Condition (Parenthetical) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Real estate acquired by foreclosure	[1]	$ 15,144	$ 16,237
Common stock, par value		$ 0.625	$ 0.625
Common stock, shares authorized		400,000,000	400,000,000
Common stock, shares issued		233,883,250	233,623,686
Preferred stock, no par value		$ 0	$ 0
Preferred Stock Liquidation Preference Value		$ 100,000	$ 100,000
Preferred stock, shares authorized		1,000	1,000
Preferred stock, shares issued		1,000	1,000
Premises and Equipment classified as held-for-sale		$ 6,200	$ 5,800
Residential Real Estate [Member]
Mortgage Loans In Process Of Foreclosure Amount		30,300	28,500
Real estate acquired by foreclosure		7,800	8,100
Residential Real Estate [Member] | Loans Held For Sale [Member]
Mortgage Loans In Process Of Foreclosure Amount		$ 17,500	$ 19,300

[1] March 31, 2017 and December 31, 2016 include $ 7.8 million and $8.1 million, respectively, of foreclosed residential real estate.