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Shareholders' Equity - Additional Information (Detail)									3 Months Ended		9 Months Ended
		Sep. 28, 2023 USD ($)	Jun. 01, 2023	Mar. 02, 2023	Oct. 21, 2022 USD ($)	Sep. 23, 2022	Jun. 02, 2022	Mar. 03, 2022	Sep. 30, 2023 USD ($) Stockholder $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) Stockholder $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Jun. 08, 2023 USD ($)	Jan. 03, 2023 USD ($)	Dec. 31, 2022 USD ($)
Equity [Line Items]
Stock repurchase program, expiration date					Dec. 31, 2027
Dividend & distribution payable, per share | $ / shares									$ 0.25	$ 0.25	$ 0.25	$ 0.25
Distribution paid to preferred shareholder									$ 110,000	$ 110,000	$ 330,000	$ 330,000
Accrued distributions									300,000		$ 300,000				$ 1,100,000
Distributions declared		$ 3,400,000
Distributions payment date		Oct. 16, 2023	Jun. 30, 2023	Mar. 31, 2023		Oct. 11, 2022	Jun. 30, 2022	Mar. 31, 2022			Oct. 16, 2023
Distributions Paid
Equity [Line Items]
Distribution paid to preferred shareholder									100,000	$ 100,000	$ 300,000	$ 300,000
Maximum
Equity [Line Items]
Accrued preferred distributions									$ 100,000		$ 100,000				$ 100,000
Class A Common Shares
Equity [Line Items]
Stock repurchase program, authorized amount					$ 32,000,000								$ 135,000,000	$ 60,000,000
Shares surrendered, repurchased or redeemed | shares	[1]										468,860	15,954
Voting rights											one
Average repurchase cost per share | $ / shares	[1]										$ 27.04	$ 25.94
Number of shareholders | Stockholder									140		140
Class B Common Shares
Equity [Line Items]
Shares surrendered, repurchased or redeemed | shares									0	0	0	0
Voting rights											ten
Number of shareholders | Stockholder									2		2
Series A Preferred Interest
Equity [Line Items]
Number of shareholders | Stockholder									1		1
[1] Based on settlement date.

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