Derivatives - Additional Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Derivatives, Value Shortfalls Threshold Triggering Additional Collateral Requirements	$ 250,000
Derivative, Notional Amount	25,300,000		25,800,000
Banking Fees and Commissions	0	0
Variable to Fixed
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	12,600,000
Derivative, Number of Instruments Held	2
Fixed to Variable
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 12,600,000
Derivative, Number of Instruments Held	2