Investments Maturities of Equity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized Cost
Within one year	$ 23,080
Total	23,080
Fair Value
Within one year	23,080
Total	$ 23,080	$ 18,810

Equity Securities, Amortized Cost

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- Definition

Equity Securities, Maturity, Allocated and Single Maturity Date, Amortized Cost

+ References

No definition available.

+ Details

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- Definition

Equity Securities, Maturity, Allocated and Single Maturity Date, Fair Value

+ References

No definition available.

+ Details

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- Definition

Equity Securities, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost

+ References

No definition available.

+ Details

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- Definition

Equity Securities, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value

+ References

No definition available.

+ Details

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ 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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