Recent Accounting Pronouncements (Details) - ASU No. 2015-03, Simplifying the Presentation of Debt Issuance Costs $ in Thousands	Dec. 31, 2015 USD ($)
Debt liabilities | Unsecured term loan
Deferred financing fees, net	$ 3,695
Debt liabilities | Senior unsecured notes
Deferred financing fees, net	16,530
Debt liabilities | Secured debt and capital lease
Deferred financing fees, net	3,664
Assets | Unsecured term loan
Deferred financing fees, net	(3,695)
Assets | Senior unsecured notes
Deferred financing fees, net	(16,530)
Assets | Secured debt and capital lease
Deferred financing fees, net	$ (3,664)