Basis and Summary of Significant Accounting Policies - Components of Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Prepaid Expenses	$ 41,427	$ 45,034
Prepaid Insurance	24,328	26,393
Assets Held for Sale	9,872	10,131
Deferred Tax Asset	826	826
Other Assets	28,759	31,887
Prepaid Expenses and Other Assets	$ 105,212	$ 114,271