Prepaids and Other Current Assets Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Prepaid Expense and Other Assets, Current [Abstract]
Deposit Assets	$ 1,353	$ 1,375
Other Prepaid Expense, Current	14,964	13,778
Deferred Costs and Other Assets	6,402	3,332
Prepaid insurance and property taxes	6,178	5,450
Prepaid other taxes	3,676	4,422
Deferred tax charge	3,542	1,266
Derivative Asset, Current	3,555	2,366
Other Assets, Current	1,822	1,992
Prepaid expenses and other current assets	$ 41,492	$ 33,981