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Information with Respect to Class A Common Shares that were Surrendered or Repurchased (Parenthetical) (Details) - USD ($)	Sep. 30, 2024	Sep. 30, 2023
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 135,000,000
Class A Common Shares
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 135,000,000	$ 135,000,000

X

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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