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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement Of Financial Position [Abstract]    
Preference share dividend percentage 7.00% 7.00%
Common stock, par value
Common stock, shares issued 101,264,412 80,398,326
Common stock, shares outstanding 101,264,412 80,398,326