Fair Value of Financial Instruments (Narrative, Assets Measured at Fair Value on a Nonrecurring Basis) (Details) (Nonrecurring Basis, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses on impaired loans charged through allowance for loan losses	$ 0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, aggregate outstanding principal balance	$ 1.3