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Equity and Other Investments and Fair Value Measurements - Reconciliation of Equity and Long-Term Investments Balances (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Purchases of trading securities	$ 50,226		$ 67,798
Purchases of equity and long-term investments			1,218
Changes in fair value, net	(60,827)	$ (4,887)	11,129
Other	338		428
Equity and long-term investments	$ 434,169		$ 444,432	$ 363,859

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Unrealized other gain loss on investments

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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Cash paid to purchase debt and equity securities, classified as operating activities, during the period; includes trading securities and any other investments classified as operating.

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