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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 |

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