Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable investment securities, restricted cash and other investment securities
Total current marketable investment securities	$ 442	$ 8,122
Total marketable investment securities	22,082	27,894
Restricted cash and cash equivalents	88,663	89,107
Equity method investments	86,988	126,179
Cost method investments	5,648	3,448
Fair value method investments	39,198	39,198
Total other investment securities	131,834	168,825
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	242,579	285,826
Current marketable investment securities - strategic - available-for-sale
Marketable investment securities, restricted cash and other investment securities
Total current marketable investment securities	149	144
Current marketable investment securities - strategic - trading/equity
Marketable investment securities, restricted cash and other investment securities
Total current marketable investment securities	56	7,799
Other investment securities
Marketable investment securities, restricted cash and other investment securities
Total current marketable investment securities	237	179
Restricted marketable investment securities
Marketable investment securities, restricted cash and other investment securities
Total marketable investment securities	$ 21,640	$ 19,772

Marketable investment securities, restricted cash and cash equivalent and other investment securities.

No definition available.

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- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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Amount of investment in equity security without readily determinable fair value.

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Amount of investment in marketable security.

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Amount of investment in marketable security, classified as current.

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Amount of investments classified as other.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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