v3.10.0.1

Goodwill and Amortizable Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in goodwill | The table below summarizes the changes in the carrying amount of goodwill by reportable segment:
| Graduate Program Segment |  | Short Course Segment |  | Total
| (in thousands)
Balance as of December 31, 2017 | $ | — |  |  | $ | 71,988 |  |  | $ | 71,988 |
Foreign currency translation adjustments | — |  |  | (9,033 | ) |  | (9,033 | )
Balance as of September 30, 2018 | $ | — |  |  | $ | 62,955 |  |  | $ | 62,955 |
Schedule of amortizable intangible assets | Amortizable intangible assets consisted of the following as of:
|  |  | September 30, 2018 |  | December 31, 2017
| Estimated Average Useful Life (in years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (in thousands)
Capitalized technology | 3-5 |  | $ | 63,789 |  |  | $ | (14,593 | ) |  | $ | 49,196 |  |  | $ | 27,108 |  |  | $ | (9,486 | ) |  | $ | 17,622 |
Capitalized content development | 4-5 |  | 73,428 |  |  | (28,758 | ) |  | 44,670 |  |  | 55,872 |  |  | (21,417 | ) |  | 34,455 |
University client relationships | 9 |  | 26,033 |  |  | (3,616 | ) |  | 22,417 |  |  | 29,443 |  |  | (1,636 | ) |  | 27,807 |
Trade names and domain names | 10 |  | 16,852 |  |  | (2,443 | ) |  | 14,409 |  |  | 12,119 |  |  | (1,242 | ) |  | 10,877 |
Total amortizable intangible assets, net |  |  | $ | 180,102 |  |  | $ | (49,410 | ) |  | $ | 130,692 |  |  | $ | 124,542 |  |  | $ | (33,781 | ) |  | $ | 90,761 |
Schedule of estimated future amortization expense for amortizable intangible assets | As of September 30, 2018, the estimated future amortization expense for amortizable intangible assets placed in service is as follows (in thousands):
Remainder of 2018 | $ | 6,094 |
2019 | 23,015 |
2020 | 19,996 |
2021 | 15,503 |
2022 | 11,688 |
Thereafter | 22,043 |
Total | $ | 98,339 |

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