Derivative Instruments (Interest Rate Swap) (Details) (Interest Rate Swap [Member], Interest Rate Swap, Maturity Date, March 15, 2021, 2.415% [Member], SunTrust [Member], Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Interest Rate Swap [Member] | Interest Rate Swap, Maturity Date, March 15, 2021, 2.415% [Member] | SunTrust [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	$ 85,500
Pay rate	2.415%
Derivative liabilities	(1,252)
Derivative assets		$ 712