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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
9 Months Ended 12 Months Ended
Dec. 31, 2019
Mar. 31, 2019
Statement Of Financial Position [Abstract]    
Preference share dividend percentage 7.00% 7.00%
Common stock, par value
Common stock, shares issued 80,256,946 65,900,447
Common stock, shares outstanding 80,256,946 65,900,447