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Acquisitions - 2020 Intangible Assets (Details) - Mathway, LLC $ in Thousands | Jun. 04, 2020 USD ($)
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Business Acquisition [Line Items] |
Acquired intangible assets | $ 30,320
Weighted-Average Amortization Period (in months) | 75 months
Trade and domain names |
Business Acquisition [Line Items] |
Acquired intangible assets | $ 520
Weighted-Average Amortization Period (in months) | 18 months
Domain names |
Business Acquisition [Line Items] |
Acquired intangible assets | $ 220
Weighted-Average Amortization Period (in months) | 18 months
Customer lists |
Business Acquisition [Line Items] |
Acquired intangible assets | $ 6,220
Weighted-Average Amortization Period (in months) | 48 months
Developed technology |
Business Acquisition [Line Items] |
Acquired intangible assets | $ 23,360
Weighted-Average Amortization Period (in months) | 84 months

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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