Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Market valuation adjustment	$ 0	$ 442,000
Other real estate owned	$ 17,000,000	$ 18,000,000
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average lives of finite-lived intangilbe assets	10 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average lives of finite-lived intangilbe assets	14 years
Land Improvements [Member] | MaximumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	15 years
Land Improvements [Member] | MinimumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	3 years
Building and Building Improvements [Member] | MaximumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	39 years
Building and Building Improvements [Member] | MinimumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	5 years
Computer Equipment [Member] | MaximumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	5 years
Computer Equipment [Member] | MinimumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	3 years
Furniture and Fixtures [Member] | MaximumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	15 years
Furniture and Fixtures [Member] | MinimumMember
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant, and equipment	3 years