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Goodwill and Intangible Assets - Finite-lived and Indefinite-lived Intangibe Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period (in months) | 58 months | 64 months |
Accumulated Amortization |  | $ (44,539) | $ (34,664)
Net Carrying Amount |  | 51,786 |
Indefinite-lived trade name |  | 3,600 | 3,600
Foreign currency translation adjustment | $ (398) | (124) |
Total intangible assets, gross carrying amount |  | 99,925 | 69,331
Intangible assets, net |  | $ 55,386 | 34,667
Developed technologies and content library |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period (in months) | 66 months | 72 months |
Gross Carrying Amount |  | $ 66,628 | 43,268
Accumulated Amortization |  | (25,392) | (18,395)
Net Carrying Amount |  | $ 41,236 | 24,873
Customer lists |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period (in months) | 47 months | 47 months |
Gross Carrying Amount |  | $ 16,190 | 9,970
Accumulated Amortization |  | (9,718) | (8,210)
Net Carrying Amount |  | $ 6,472 | 1,760
Trade and domain names |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period (in months) | 46 months | 44 months |
Gross Carrying Amount |  | $ 11,613 | 10,873
Accumulated Amortization |  | (7,467) | (6,169)
Net Carrying Amount |  | $ 4,146 | 4,704
Non-compete agreements |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period (in months) | 31 months | 31 months |
Gross Carrying Amount |  | $ 2,018 | 2,018
Accumulated Amortization |  | (1,962) | (1,890)
Net Carrying Amount |  | $ 56 | $ 128

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- Definition Finite Lived And Indefinite Lived Intangible Assets, Foreign Currency Translation Gain (Loss) + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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