Amount of investment in equity security without readily determinable fair value.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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+ References

No definition available.

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=124260329&loc=SL6284422-111562

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- Definition

The percentage of ownership in the investee accounted for under the cost method of accounting.

+ References

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Investments - Other Investment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2019
Other Investment
Impairment of equity investments		$ 980	$ 20,973
Kateeva \| Other income (expense), net
Other Investment
Impairment of equity investments	$ 21,000
Kateeva \| Maximum
Other Investment
Percentage ownership of cost method investee		20.00%
Separate non-marketable investment
Other Investment
Carrying value of investment		$ 2,000
Separate non-marketable investment \| Other income (expense), net
Other Investment
Impairment of equity investments		$ 1,000
Separate non-marketable investment \| Maximum
Other Investment
Percentage ownership of cost method investee		20.00%