Taxes (Details) - USD ($) $ in Thousands	May 31, 2020	Mar. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Debtor Reorganization Items, Cancellation of Debt Income	$ 229,000
Deferred Tax Assets, Valuation Allowance		$ 76,061	$ 74,676
Deferred Tax Assets, Operating Loss Carryforwards		$ 83,277	$ 82,901