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Dividends (Details) - Class A Common Stock $ / shares in Units, $ in Millions | 9 Months Ended | 12 Months Ended
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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

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- 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 No definition available. + Details
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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 + Details
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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 + Details
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