Investments in Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt and Equity Securities, FV-NI [Line Items]
Investments in equity securities	$ 2,738,284	$ 2,605,293
LI LLC 1.75% Exchangeable Debentures Due 2046
Debt and Equity Securities, FV-NI [Line Items]
Interest rate	1.75%
Other investments
Debt and Equity Securities, FV-NI [Line Items]
Investments in equity securities	$ 5,285	6,040
Charter
Debt and Equity Securities, FV-NI [Line Items]
Investments in equity securities	$ 2,732,999	$ 2,599,253

Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) and investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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