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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Identifiable Intangible Assets | The following table presents details of our intangible assets which include acquired identifiable intangible assets and capitalized internal-use software costs:
|  |  | As of June 30, 2017 |  | As of December 31, 2016
| Weighted- Average Life (years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value
|  |  | (in thousands)
Intangible assets subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology | 6.3 |  | $ | 11,231 |  |  | $ | (3,995 | ) |  | $ | 7,236 |  |  | $ | 11,231 |  |  | $ | (3,118 | ) |  | $ | 8,113 |
Customer relationships | 6.7 |  | 1,000 |  |  | (274 | ) |  | 726 |  |  | 1,000 |  |  | (197 | ) |  | 803 |
Trade names | 6.1 |  | 519 |  |  | (503 | ) |  | 16 |  |  | 519 |  |  | (496 | ) |  | 23 |
Non-compete agreements | 2.0 |  | 40 |  |  | (40 | ) |  | — |  |  | 40 |  |  | (33 | ) |  | 7 |
Total acquired intangible assets |  |  | 12,790 |  |  | (4,812 | ) |  | 7,978 |  |  | 12,790 |  |  | (3,844 | ) |  | 8,946 |
Internal-use software |  |  | 316 |  |  | — |  |  | 316 |  |  | — |  |  | — |  |  | — |
Total intangible assets |  |  | $ | 13,106 |  |  | $ | (4,812 | ) |  | $ | 8,294 |  |  | $ | 12,790 |  |  | $ | (3,844 | ) |  | $ | 8,946 |
Schedule of Estimated Amortization Expense | Estimated future amortization expense of the acquired identifiable intangible assets as of June 30, 2017 is as follows (in thousands):
2017 (for the remaining six months) | $ | 962 |
2018 | 1,886 |
2019 | 1,859 |
2020 | 1,837 |
2021 | 1,332 |
2022 and thereafter | 102 |
Total | $ | 7,978 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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