Accounts Payable and Accrued Expenses (Schedule of Payables) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued interest	$ 33,789	$ 43,916
Accrued real estate and other taxes	29,214	25,208
Accrued legal fees	25,492	32,715
Accounts payable	2,799	2,673
Accrued other	36,505	41,099
Total	$ 127,799	$ 145,611