Ordinary and Preference Shares - Summary of Shares Issued and Outstanding (Detail) - $ / shares	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021
Class Of Stock [Line Items]
Ordinary shares, shares issued	135,683,559	102,611,397
Ordinary shares, shares outstanding	135,683,559	102,611,397
Ordinary shares, par value
Preference shares, shares issued	666,665	666,665
Preference shares, shares outstanding	666,665	666,665
7% Cumulative Redeemable Preference Shares [Member]
Class Of Stock [Line Items]
Preference shares, shares issued	666,665	666,665
Preference shares, shares outstanding	666,665	666,665
Liquidation amount per share	$ 34.18	$ 32.21
Ordinary Shares [Member]
Class Of Stock [Line Items]
Ordinary shares, shares issued	135,683,559	102,611,397
Ordinary shares, shares outstanding	135,683,559	102,611,397	101,527,188	101,264,412
Ordinary shares, par value	$ 0