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Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Investments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2019 | Mar. 31, 2019
Fair Value Disclosures [Abstract] |  |  |  |
Beginning balance | $ 108 |  | $ 3,662 | $ 4,288
Cash contributions | 2,869 |  |  |
Unrealized loss | (1,008) | $ 108 | $ (3,662) | (626)
Ending balance | $ 1,969 | $ 108 |  | $ 3,662

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- Definition Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, cash contributions. + References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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