Premises and Equipment Components of Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 86,051	$ 79,261
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	56,893	52,180
Premises and equipment, net	29,158	27,081
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	39,445	35,548
Furniture Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	41,508	38,615
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	4,724	4,724
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 374	$ 374