Fair Value Measurement - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			$ 800
Less: reclassification for net losses included in interest expense	$ 100	$ 0	100	$ 0
Cash Flow Hedging [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative, (Gain) Loss on Derivative, Net	400		1,300
Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative, (Gain) Loss on Derivative, Net	(300)		(1,600)	(1,300)
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,700	900	1,700	900	$ 600
Derivative Liability	$ 2,100	$ 1,600	$ 2,100	$ 1,600