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Shareholders' Equity - Additional Information (Detail) - USD ($)								3 Months Ended		9 Months Ended
	Sep. 11, 2025	Jun. 27, 2025	Mar. 28, 2025	Mar. 06, 2025	Oct. 07, 2024	Jun. 28, 2024	Mar. 28, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jan. 16, 2025	Dec. 31, 2024	Jun. 30, 2024
Equity [Line Items]
Common shares, shares authorized								900,000,000		900,000,000			900,000,000
Stock repurchase program, remaining authorization to repurchase shares								$ 101,000,000.0		$ 101,000,000.0
Dividend payable, per share								$ 0.35		$ 0.35				$ 0.35
Distribution paid to preferred shareholder								$ 110,000	$ 110,000	$ 330,000	$ 330,000
Dividends		$ 4,997,000	$ 4,990,000		$ 4,782,000	$ 4,774,000	$ 4,752,000			$ 14,990,000	$ 14,326,000
Distributions declared	$ 5,000,000
Accrued distributions													$ 0
O 2025 Q3 Dividends
Equity [Line Items]
Distribution paid to preferred shareholder								100,000
Distributions declared date										Sep. 11, 2025
Distributions payment date										Oct. 06, 2025
O 2025 H2 Dividends
Equity [Line Items]
Distribution paid to preferred shareholder										$ 300,000
O 2024 Q3 Dividends
Equity [Line Items]
Distribution paid to preferred shareholder									$ 100,000
Distributions declared date											Sep. 19, 2024
Distributions payment date											Oct. 07, 2024
O 2024 H2 Dividends
Equity [Line Items]
Distribution paid to preferred shareholder											$ 300,000
Maximum
Equity [Line Items]
Accrued preferred distributions								$ 100,000		$ 100,000			$ 100,000
Class A Common Shares Designated As Class A-2 Common Shares
Equity [Line Items]
Common shares, shares outstanding								550,000		550,000			0
Distributions pecentage				100.00%
Class A Common Shares Designated As Class A-2 Common Shares \| Fox Paine & Company, LLC.
Equity [Line Items]
Common shares issued				550,000						550,000
Threshold amount				$ 475,300,000
Consecutive calendar days				30 days
Volume weighted average closing sale price				$ 34.67
Class A Common Shares Designated As Class A-2 Common Shares \| Amendment of Limited Liability Company Agreement
Equity [Line Items]
Common shares, shares authorized												5,000,000
Common Class A and B Shares \| Fox Paine & Company, LLC.
Equity [Line Items]
Common shares, shares outstanding				13,708,199
Class A Common Shares
Equity [Line Items]
Common shares, shares outstanding								10,530,342		10,530,342			9,914,587
Shares surrendered, repurchased or redeemed								0		0	16,527
Class B Common Shares
Equity [Line Items]
Common shares, shares outstanding								3,793,612		3,793,612			3,793,612