| Schedule of changes in goodwill |
The following table presents the changes in the carrying amount of goodwill by reportable segment within the Company’s condensed consolidated balance sheets for the period indicated. | | | | | | | | | | | | | | Graduate
Program Segment | | Alternative Credential Segment | | Total | | (in thousands) | Balance as of December 31, 2019 | $ | — |
| | $ | 418,350 |
| | $ | 418,350 |
| Foreign currency translation adjustments | — |
| | (13,617 | ) | | (13,617 | ) | Balance as of March 31, 2020 | $ | — |
|
| $ | 404,733 |
|
| $ | 404,733 |
|
|
| Schedule of amortizable intangible assets |
The following table presents the components of amortizable intangible assets, net within the Company’s condensed consolidated balance sheets for each of the periods indicated. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2020 | | December 31, 2019 | | 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 | | $ | 147,910 |
| | $ | (48,972 | ) | | $ | 98,938 |
| | $ | 142,712 |
| | $ | (41,106 | ) | | $ | 101,606 |
| Capitalized content development | 4-5 | | 178,014 |
| | (62,020 | ) | | 115,994 |
| | 167,758 |
| | (54,736 | ) | | 113,022 |
| University client relationships | 9-10 | | 105,203 |
| | (13,679 | ) | | 91,524 |
| | 110,344 |
| | (12,419 | ) | | 97,925 |
| Trade names and domain names | 5-10 | | 24,918 |
| | (6,398 | ) | | 18,520 |
| | 26,462 |
| | (5,940 | ) | | 20,522 |
| Total amortizable intangible assets, net | | | $ | 456,045 |
| | $ | (131,069 | ) | | $ | 324,976 |
| | $ | 447,276 |
| | $ | (114,201 | ) | | $ | 333,075 |
|
|
| Schedule of estimated future amortization expense for amortizable intangible assets |
The following table presents the estimated future amortization expense of the Company’s amortizable intangible assets placed in service as of March 31, 2020. | | | | | | Future Amortization Expense | | (in thousands) | 2021 | $ | 60,365 |
| 2022 | 73,532 |
| 2023 | 57,564 |
| 2024 | 41,214 |
| 2025 | 22,536 |
| Thereafter | 43,224 |
| Total | $ | 298,435 |
|
|