| Schedule of changes in goodwill |
The following table presents the changes in the carrying amount of goodwill by reportable segment on the Company’s condensed consolidated balance sheets for the periods indicated. | | | | | | | | | | | | | | | | | | | Graduate Program Segment | | Alternative Credential Segment | | Total | | | (in thousands) | | | | | | Balance as of December 31, 2019 | $ | — | | | $ | 418,350 | | | $ | 418,350 | | | Foreign currency translation adjustments | — | | | (12,010) | | | (12,010) | | | Balance as of June 30, 2020 | $ | — | | | $ | 406,340 | | | $ | 406,340 | |
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| Schedule of amortizable intangible assets |
The following table presents the components of amortizable intangible assets, net on the Company’s condensed consolidated balance sheets as of each of the dates indicated. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 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 | | $ | 153,588 | | | $ | (57,710) | | | $ | 95,878 | | | $ | 142,712 | | | $ | (41,106) | | | $ | 101,606 | | Capitalized content development | 4-5 | | 187,936 | | | (70,492) | | | 117,444 | | | 167,758 | | | (54,736) | | | 113,022 | | | University client relationships | 9-10 | | 105,810 | | | (16,570) | | | 89,240 | | | 110,344 | | | (12,419) | | | 97,925 | | Trade names and domain names | 5-10 | | 25,315 | | | (7,318) | | | 17,997 | | | 26,462 | | | (5,940) | | | 20,522 | | Total amortizable intangible assets, net | | | $ | 472,649 | | | $ | (152,090) | | | $ | 320,559 | | | $ | 447,276 | | | $ | (114,201) | | | $ | 333,075 | |
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| 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 June 30, 2020. | | | | | | | Future Amortization Expense | | (in thousands) | | Remainder of 2020 | $ | 40,377 | | | 2021 | 76,013 | | | 2022 | 60,367 | | | 2023 | 42,876 | | | 2024 | 25,533 | | | Thereafter | 45,933 | | | Total | $ | 291,099 | |
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