- Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Other Liabilities Disclosure [Abstract]
Retirement plan obligations	$ 22,156	$ 2,654
Non-current portion of deferred revenues	8,819	4,156
Straight-line management fee waiver	7,687	0
Other	3,935	2,229
Other liabilities	$ 42,597	$ 9,039