v3.10.0.1

Goodwill and Amortizable Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Goodwill [Roll Forward] |  |
Beginning balance | $ 71,988 |
Foreign currency translation adjustments | (9,033) |
Ending balance | 62,955 |
Gross Carrying Amount | 180,102 | $ 124,542
Accumulated Amortization | (49,410) | (33,781)
Net Carrying Amount | 130,692 | 90,761
Capitalized technology |  |
Goodwill [Roll Forward] |  |
Gross Carrying Amount | 63,789 | 27,108
Accumulated Amortization | (14,593) | (9,486)
Net Carrying Amount | $ 49,196 | 17,622
Capitalized technology | Minimum |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 3 years |
Capitalized technology | Maximum |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 5 years |
Capitalized content development |  |
Goodwill [Roll Forward] |  |
Gross Carrying Amount | $ 73,428 | 55,872
Accumulated Amortization | (28,758) | (21,417)
Net Carrying Amount | $ 44,670 | 34,455
Capitalized content development | Minimum |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 4 years |
Capitalized content development | Maximum |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 5 years |
University client relationships |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 9 years |
Gross Carrying Amount | $ 26,033 | 29,443
Accumulated Amortization | (3,616) | (1,636)
Net Carrying Amount | $ 22,417 | 27,807
Trade names and domain names |  |
Goodwill [Roll Forward] |  |
Estimated Average Useful Life (in years) | 10 years |
Gross Carrying Amount | $ 16,852 | 12,119
Accumulated Amortization | (2,443) | (1,242)
Net Carrying Amount | 14,409 | 10,877
In process capitalized technology and content development |  |
Goodwill [Roll Forward] |  |
Net Carrying Amount | 32,400 | $ 15,600
Graduate Program Segment |  |
Goodwill [Roll Forward] |  |
Beginning balance | 0 |
Foreign currency translation adjustments | 0 |
Ending balance | 0 |
Short Course Segment |  |
Goodwill [Roll Forward] |  |
Beginning balance | 71,988 |
Foreign currency translation adjustments | (9,033) |
Ending balance | $ 62,955 |

X
- 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/presentationRef -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/presentationRef -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 of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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