Annual report pursuant to Section 13 and 15(d)

Income Taxes - Change in Valuation Allowance Narrative (Details)

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Income Taxes - Change in Valuation Allowance Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Valuation allowance, net tax expense relating to continuing operation $ 50,045,000  
Other comprehensive loss    
Increase/(decrease) in valuation allowance through other comprehensive loss 1,512,000 $ (2,696,000)
Net loss    
Increase in valuation allowance through net loss $ 50,046,000 $ 23,025,000