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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingencies      
Tax reserves, non-income tax related   $ 0 $ 0
Income tax refund related to agreement on previously filed refund claims $ 7,500    
Favorable tax impact of refund $ 5,925