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General - Schedule of Change in Asset Retirement Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Beginning balance $ 11,505 $ 12,667
Additions and changes in estimate 3,571 263
Liabilities settled during the period (3,495) (1,828)
Accretion expenses 1,458 499
Foreign currency translation gains (56) (96)
Ending balance $ 12,983 $ 11,505