Accounts Payable, Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Accounts payable and accrued expenses	$ 31,933	$ 24,337
Deferred income tax liability	44,129	44,241
Accrued interest payable	41,243	43,107
Lease discounts, net of amortization of $33,608 and $29,016, respectively	14,563	15,842
Total accounts payable, accrued expenses and other liabilities	131,868	127,527
Deferred Revenue, Leases, Accumulated Amortization	$ 33,608	$ 29,016