Premises and Equipment Summary Composition (Details) (USD $) In Thousands, unless otherwise specified							12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Land [Member]	Dec. 31, 2012 Land [Member]	Dec. 31, 2013 Land Improvements [Member]	Dec. 31, 2012 Land Improvements [Member]	Dec. 31, 2013 Land Improvements [Member] MaximumMember	Dec. 31, 2013 Land Improvements [Member] MinimumMember	Dec. 31, 2013 Building and Building Improvements [Member]	Dec. 31, 2012 Building and Building Improvements [Member]	Dec. 31, 2013 Building and Building Improvements [Member] MaximumMember	Dec. 31, 2013 Building and Building Improvements [Member] MinimumMember	Dec. 31, 2013 Computer Equipment [Member]	Dec. 31, 2012 Computer Equipment [Member]	Dec. 31, 2013 Computer Equipment [Member] MaximumMember	Dec. 31, 2013 Computer Equipment [Member] MinimumMember	Dec. 31, 2013 Furniture and Fixtures [Member]	Dec. 31, 2012 Furniture and Fixtures [Member]	Dec. 31, 2013 Furniture and Fixtures [Member] MaximumMember	Dec. 31, 2013 Furniture and Fixtures [Member] MinimumMember	Dec. 31, 2013 Leasehold Improvements [Member]	Dec. 31, 2012 Leasehold Improvements [Member]	Dec. 31, 2013 Leasehold Improvements [Member] MaximumMember	Dec. 31, 2013 Leasehold Improvements [Member] MinimumMember
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated useful life of property, plant, and equipment							15 years	3 years			39 years	5 years			5 years	3 years			15 years	3 years			30 years	5 years
Cost	$ 553,811		$ 50,668		$ 10,642				$ 248,394				$ 45,532				$ 162,746				$ 35,829
Accumulated depreciation	282,921		0		4,152				117,622				35,135				104,487				21,525
Premises and equipment,net	$ 270,890	$ 253,958	$ 50,668	$ 46,378	$ 6,490	$ 6,412			$ 130,772	$ 121,496			$ 10,397	$ 11,428			$ 58,259	$ 57,667			$ 14,304	$ 10,577