Accounts Payable, Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Accounts payable and accrued expenses	$ 50,948	$ 24,337
Deferred Tax Liabilities, Net	36,547	44,241
Accrued interest payable	38,129	43,107
Lease discounts, net of amortization of $36,111 and $29,016, respectively	14,597	15,842
Total accounts payable, accrued expenses and other liabilities	140,221	127,527
Deferred revenue, leases, accumulated amortization	$ 36,111	$ 29,016