Ordinary and Preference Shares - Summary of Shares Issued and Outstanding (Detail) - $ / shares	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Class Of Stock [Line Items]
Ordinary shares, shares issued	3,396,118		2,565,284
Ordinary shares, shares outstanding	3,396,118		2,565,284
Ordinary shares, par value
Preference shares, shares issued	16,667		16,667
Preference shares, shares outstanding	16,667		16,667
7% Cumulative Redeemable Preference Shares [Member]
Class Of Stock [Line Items]
Preference shares, shares issued	16,667		16,667
Preference shares, shares outstanding	16,667		16,667
Liquidation amount per share	$ 1,383.00		$ 1,351.50
Ordinary Shares [Member]
Class Of Stock [Line Items]
Ordinary shares, shares issued	3,396,118		2,565,284
Ordinary shares, shares outstanding	3,396,118	3,392,088	2,565,284	2,539,790	2,538,179	2,531,610
Ordinary shares, par value	$ 0