Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 14, 2022	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2017	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Class A Common Shares [Member]
Class of Stock [Line Items]
OP Unit exchanges, shares		1,145,735	98,923	1,145,735	98,923
Common shares, issued		36,828,991		36,828,991				35,667,521
Common shares, outstanding		36,828,991	35,679,000	36,828,991	35,679,000	32,416,000	35,690,000	35,667,521	35,209,000
Class B Non-Economic Common Shares [Member]
Class of Stock [Line Items]
Common shares, issued		1,247,060		1,247,060
Common shares, outstanding		1,247,060		1,247,060
Common shares surrendered				75,305
Class C Non Voting Common Shares [Member]
Class of Stock [Line Items]
Common shares, issued		0		0
Common shares, outstanding		0		0
Series A Cumulative Redeemable Preferred Shares [Member]
Class of Stock [Line Items]
Preferred shares, issued						2,800,000
Percentage of preferred dividend rate						7.00%
Preferred shares public offering price per share						$ 25.00
Net proceeds from public offering						$ 66.7
Series A Cumulative Redeemable Preferred Shares [Member] | Scenario, Forecast [Member]
Class of Stock [Line Items]
Preferred shares redemption price per share plus any accrued and unpaid dividends	$ 25.00
Series A Cumulative Redeemable Preferred Shares [Member] | Scenario, Forecast [Member] | Maximum [Member]
Class of Stock [Line Items]
Preferred shares redemption threshold period	120 days