Prepaids and Other Current Assets Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Prepaid Expense and Other Assets, Current [Abstract]
Deposit Assets	$ 1,375	$ 1,087
Other Prepaid Expense, Current	13,778	12,476
Other Receivables	0	20,137
Deferred Costs and Other Assets	3,332	1,951
Prepaid insurance and property taxes	5,450	2,666
Prepaid other taxes	4,422	5,072
Deferred tax charge	1,266	1,180
Other Assets, Current	4,358	1,548
Prepaid expenses and other current assets	$ 33,981	$ 46,117