Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amount of borrowings, subject to swaps		$ 150,000
Underlying treasury rate term (in years)		10 years
Underlying treasury rate locked by forward-starting swaps (in hundredths)		1.90%
Expected increase to interest expense	$ 2,500			$ 2,500
Derivatives designated as cash flow hedges in accounts payable, accrued expenses and other liabilities [Abstract]
Interest rate swaps	8,701			8,701		$ 3,073
Amount of unrealized gains/(losses) recognized in AOCL on derivatives (effective portion) [Abstract]
Interest rate swaps	1,610		$ (3,021)	(7,785)	$ (5,666)
Amount of losses reclassified out of AOCL into contractual interest expense (effective portion) [Abstract]
Interest rate swaps	$ 758		$ 932	$ 2,336	$ 2,781