Accounts Payable and Accrued Expenses (Schedule of Payables) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued interest	$ 31,925	$ 43,916
Accrued legal fees and litigation settlements	25,571	32,715
Accrued real estate and other taxes	25,320	25,208
Accounts payable	1,779	2,673
Accrued other	41,725	41,099
Total	$ 126,320	$ 145,611