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Information with Respect to Class A Common Shares that were Surrendered, Repurchased or Redeemed (Detail) - Class A Common Shares - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed |  | 923,036 | [1] | 17,318
Average Price Paid Per Share |  | $ 24.20 | [1] | $ 28.30
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program |  | 907,082 | [1] | 0
January 1-31, 2021 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed |  |  |  | 6,720
Average Price Paid Per Share |  |  |  | $ 28.59
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program |  |  |  | 0
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs |  |  |  | $ 0
March 1-31, 2021 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed |  |  |  | 3,095
Average Price Paid Per Share |  |  |  | $ 29.40
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program |  |  |  | 0
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs |  |  |  | $ 0
June 1-30, 2021 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed |  |  |  | 7,100
Average Price Paid Per Share |  |  |  | $ 27.64
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program |  |  |  | 0
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs |  |  |  | $ 0
November 1-30, 2021 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed |  |  |  | 403
Average Price Paid Per Share |  |  |  | $ 26.80
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program |  |  |  | 0
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs |  |  |  | $ 0
January 1-31, 2022 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed | [1],[2] | 4,781 |  |
Average Price Paid Per Share | [1] | $ 25.13 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program | [1] | 0 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs | [1],[3] | $ 0 |  |
June 1-30, 2022 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed | [1],[2] | 11,173 |  |
Average Price Paid Per Share | [1] | $ 26.28 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program | [1] | 0 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs | [1],[3] | $ 0 |  |
October 1-31, 2022 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed | [1],[4] | 200,000 |  |
Average Price Paid Per Share | [1] | $ 23.49 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program | [1] | 200,000 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs | [1],[3] | $ 27,302,000 |  |
November 1-30, 2022 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed | [1],[4] | 250,000 |  |
Average Price Paid Per Share | [1] | $ 24.50 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program | [1] | 250,000 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs | [1],[3] | $ 21,177,000 |  |
December 1-31, 2022 |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total Number of Shares Purchased or Redeemed | [1],[4] | 457,082 |  |
Average Price Paid Per Share | [1] | $ 24.28 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan or Program | [1] | 457,082 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs | [1],[3] | $ 10,079,066 |  |
[1] | Based on settlement date.
[2] | Surrendered by employees as payment of taxes withheld on the vesting of restricted stock.
[3] | Based on the $32 million share repurchase authorization announced on October 21, 2022.
[4] | Purchased as part of the repurchase program announced in October 2022.

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