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Debt Issuance Cost Rollforward (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]        
Debt Issuance Costs, Gross $ 0   $ 0  
Accumulated Amortization, Debt Issuance Costs (84)   (84)  
Debt Issuance Costs, Net $ 1,914 $ 1,998 $ 2,251 $ 2,335