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Dividends (Details) - Class A Common Stock $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2024 USD ($) dividend $ / shares	Dec. 31, 2023 USD ($) dividend $ / shares
Number of quarterly cash dividends declared | dividend	3	4
Cash dividend paid (in dollars per share) | $ / shares	$ 1.35
Dividends | $	$ 8.5	$ 18.6
Number of special dividends declared | dividend		1
Cash and special dividend (in dollars per share) | $ / shares		$ 3.00

X

- Definition

Aggregate cash dividend and special dividend per share declared during the period for each share of common stock outstanding.

+ References

No definition available.

+ Details

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- Definition

Represents the number of quarterly cash dividends declared.

+ References

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- Definition

Represents the number of special dividends declared.

+ References

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

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