Derivative Instruments and Hedging Activity - Amount of Loss Recognized in OCI - (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in OCI	$ 131	$ (282)	$ (314)	$ (467)
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in OCI					$ (366)
Interest Rate Swap | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in OCI	$ 131	$ (282)	$ (314)	$ (467)	$ (366)