Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities - Other Income Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income (Expense)
Marketable investment securities - realized and unrealized gains (losses)	$ 32	$ 838	$ 90	$ 3,894
Costs related to early redemption of debt				(439)
Equity in earnings of affiliates	(264)	2,056	603	991
Other	248	(62)	915	7,474
Total	$ 16	$ 2,832	$ 1,608	$ 11,920

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Other nonoperating income expense other.

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

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of income (expense) related to nonoperating activities, classified as other.

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