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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 64 months | 58 months
Accumulated Amortization | $ (48,942) | $ (34,664)
Net Carrying Amount | 47,649 |
Indefinite-lived trade name | 3,600 | 3,600
Foreign currency translation adjustment | 142 | (398)
Total intangible assets, gross carrying amount | 100,191 | 69,331
Intangible assets, net | $ 51,249 | $ 34,667
Developed technology |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 75 months | 68 months
Gross Carrying Amount | $ 54,398 | $ 31,038
Accumulated Amortization | (24,246) | (16,451)
Net Carrying Amount | $ 30,152 | $ 14,587
Content |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 60 months | 60 months
Gross Carrying Amount | $ 12,230 | $ 12,230
Accumulated Amortization | (4,390) | (1,944)
Net Carrying Amount | $ 7,840 | $ 10,286
Customer lists |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 47 months | 47 months
Gross Carrying Amount | $ 16,190 | $ 9,970
Accumulated Amortization | (10,437) | (8,210)
Net Carrying Amount | $ 5,753 | $ 1,760
Trade and domain names |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 44 months | 46 months
Gross Carrying Amount | $ 11,613 | $ 10,873
Accumulated Amortization | (7,888) | (6,169)
Net Carrying Amount | $ 3,725 | $ 4,704
Non-compete agreements |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted-average amortization period | 31 months | 31 months
Gross Carrying Amount | $ 2,018 | $ 2,018
Accumulated Amortization | (1,981) | (1,890)
Net Carrying Amount | $ 37 | $ 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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