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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent events On February 4, 2022, we entered into an Amendment to our Iceland revolving credit facility, increasing the facility amount to $80.0 million. On February 16, 2022, we detected a cyber incursion affecting some of the servers supporting our global operations. The Company took immediate action by shutting down all impacted information systems and activating the Company's internal response procedures and mobilizing both internal resources and third-party experts to address the situation as quickly as possible. Currently, there has been no material impact to our production globally. We have switched to manual operations and procedures where necessary and we continue to operate safely. At this time we cannot determine the extent, if any, of lost revenue, incremental costs, injury to reputation or other material adverse impact that this event may have on our business, operations or financial results.