Ordinary and Preference Shares - Additional Information (Detail)		6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 28, 2022 shares	Sep. 30, 2022 Days $ / shares	Dec. 31, 2022	Mar. 31, 2022	May 20, 2022 $ / shares	Jan. 29, 2015 $ / shares
Class Of Stock [Line Items]
Preference share dividend percentage			7.00%	7.00%
Ordinary shares | shares	811,458
Ordinary share public offering		$ 12.00
Ordinary shares price per share					$ 1.00
Number of business days for closing bid price for the Companys ordinary shares | Days		30
7% Cumulative Redeemable Preference Shares [Member]
Class Of Stock [Line Items]
Subscriptions price, per share						$ 22.50
Preference share dividend percentage			7.00%	7.00%