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	Sep. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Notional amount	$ 85,500
Pay rate	2.415%
Derivative liabilities	$ (4,944)	$ (3,139)

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

Sep. 30, 2016

Dec. 31, 2015

Notional amount

$ 85,500

Pay rate

2.415%

Derivative liabilities

$ (4,944)

$ (3,139)