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Long-term Investments - Carrying Amount and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2021
Carrying amount and fair value of the marketable security
Cost Basis	$ 142,000	$ 223,385
Gross Unrealized Gains		62,952
Gross Unrealized Losses	(23,732)	(46,787)
Fair Value	118,268	239,550
Showworld
Carrying amount and fair value of the marketable security
Cost Basis		81,385
Gross Unrealized Gains		62,952
Gross Unrealized Losses		0
Fair Value		144,337
Didi
Carrying amount and fair value of the marketable security
Cost Basis	142,000	142,000
Gross Unrealized Gains		0
Gross Unrealized Losses	(23,732)	(46,787)
Fair Value	$ 118,268	$ 95,213	$ 142,000

X

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

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- Definition

Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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- Definition

Amount of accumulated unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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- Definition

Amount of accumulated unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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