Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities - Other Income Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Other Income (Expense)
Marketable investment securities - realized and unrealized gains (losses) on equity securities	$ 3,056	$ (36,543)
Costs related to early redemption of debt	(439)	(179)
Equity in earnings of affiliates	(1,065)	1,446
Other	7,536	468
Total	9,088	$ (34,808)
Unrealized losses on equity securities	$ 2,000

Cost Related To Early Redemption Of Debt

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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 unrealized 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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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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