Debt Obligations - Aggregate Scheduled Principal Payments of Debt Obligation, Excluding Amortization of Discounts and Premiums (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
2017	$ 304,931
2018	331,601
2019	7,360
2020	86,978
2021	6,099
Thereafter	1,291,679
Total principal payments	2,028,648
Net unamortized premiums/(discounts)	(7,439)
Less: deferred financing costs	(8,097)
Total Debt Obligations	$ 2,013,112	$ 2,384,717