Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities - Other Income Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Income (Expense)
Marketable investment securities - realized and unrealized gains (losses)	$ (3,137)	$ 178	$ 4,604
Derivative instruments - net realized and/or unrealized gains (losses)	(13,000)	(22,000)
Costs related to early redemption of debt	(3,587)		(483)
Equity in earnings (losses) of affiliates	(1,051)	410	(3,714)
Other (Note 6)	41,332	1,248	11,117
Total	$ 20,557	$ (20,164)	$ 11,524