v3.10.0.1

Goodwill and Amortizable Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Goodwill and Amortizable Intangible Assets |  |
Balance as of December 31, 2017 | $ 71,988 |
Foreign currency translation adjustments | (7,115) |
Balance as of June 30, 2018 | 64,873 |
Gross Carrying Amount | 169,327 | $ 124,542
Accumulated Amortization | (43,265) | (33,781)
Net Carrying Amount | $ 126,062 | 90,761
Capitalized technology |  |
Goodwill and Amortizable Intangible Assets |  |
Estimated Average Useful Life (in years) | 3 years |
Gross Carrying Amount | $ 59,549 | 27,108
Accumulated Amortization | (12,269) | (9,486)
Net Carrying Amount | 47,280 | 17,622
Capitalized content development |  |
Goodwill and Amortizable Intangible Assets |  |
Gross Carrying Amount | 65,981 | 55,872
Accumulated Amortization | (25,988) | (21,417)
Net Carrying Amount | $ 39,993 | 34,455
Capitalized content development | Minimum |  |
Goodwill and Amortizable Intangible Assets |  |
Estimated Average Useful Life (in years) | 4 years |
Capitalized content development | Maximum |  |
Goodwill and Amortizable Intangible Assets |  |
Estimated Average Useful Life (in years) | 5 years |
University client relationships |  |
Goodwill and Amortizable Intangible Assets |  |
Estimated Average Useful Life (in years) | 9 years |
Gross Carrying Amount | $ 26,757 | 29,443
Accumulated Amortization | (2,973) | (1,636)
Net Carrying Amount | $ 23,784 | 27,807
Trade names and domain names |  |
Goodwill and Amortizable Intangible Assets |  |
Estimated Average Useful Life (in years) | 10 years |
Gross Carrying Amount | $ 17,040 | 12,119
Accumulated Amortization | (2,035) | (1,242)
Net Carrying Amount | 15,005 | 10,877
In process capitalized technology and content development |  |
Goodwill and Amortizable Intangible Assets |  |
Net Carrying Amount | 30,600 | $ 15,600
Short Course Segment |  |
Goodwill and Amortizable Intangible Assets |  |
Balance as of December 31, 2017 | 71,988 |
Foreign currency translation adjustments | (7,115) |
Balance as of June 30, 2018 | $ 64,873 |

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