Common Stock (par value $.01 per share) Common Stock [Member] Cover page. Security Exchange Name Security Exchange Name Depositary shares, each representing a 1/1000th interest in a share of the 5.70% Series C Non-Cumulative Perpetual Preferred Stock Depositary Shares [Member] Depositary Shares Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, Address Line Two Entity Address, Address Line Two Entity Registrant Name Entity Registrant Name Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, Address Line One Entity Address, Address Line One Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Local Phone Number Local Phone Number Written Communications Written Communications Soliciting Material Soliciting Material Trading Symbol Trading Symbol Entity Address, State or Province Entity Address, State or Province Pre-commencement Tender Offer Pre-commencement Tender Offer Class of Stock [Line Items] Class of Stock [Line Items] Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Type Document Type City Area Code City Area Code Class of Stock [Domain] Class of Stock [Domain] Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, City or Town Entity Address, City or Town Entity Central Index Key Entity Central Index Key Title of 12(b) Security Title of 12(b) Security Class of Stock [Axis] Class of Stock [Axis]