Summary of Significant Accounting Policies Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2013 reporting_unit_level branch
Accounting Policy [Line Items]
Number of Reporting Unit Levels	2
FHLB stock redemption period	5 years
Equity Method Investment, Ownership Percentage	100.00%
Number of Branches	44
Commercial Repurchase Agreements Term To Maturity	5 years
Maximum [Member]
Accounting Policy [Line Items]
Commercial Repurchase Agreements Call Term	24 months
Finite-Lived Intangible Asset, Useful Life	10 years
Minimum [Member]
Accounting Policy [Line Items]
Commercial Repurchase Agreements Call Term	6 months
Finite-Lived Intangible Asset, Useful Life	5 years