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Intangible Assets, Net - Intangible Assets Other than Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross amount | $ 88,149 |  | $ 802 |
Accumulated amortization | (704) |  | (6) |
Net intangible assets | $ 87,445 | [1] | 796 | [2]
Minimum [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 3 years |  |  |
Maximum [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 20 years |  |  |
Purchased IP and Capitalized Litigation Costs [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 10 years |  |  |
Gross amount | $ 1,659 |  | 461 |
Accumulated amortization | (34) |  |  |
Net intangible assets | 1,625 |  | 461 |
Software Developed for Internal Use [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross amount | 2,571 |  | 341 |
Accumulated amortization | (50) |  | (6) |
Net intangible assets | $ 2,521 |  | $ 335 |
Software Developed for Internal Use [Member] | Minimum [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 3 years |  |  |
Software Developed for Internal Use [Member] | Maximum [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 10 years |  |  |
Developed Technology [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 5 years |  |  |
Gross amount | $ 10,716 |  |  |
Accumulated amortization | (133) |  |  |
Net intangible assets | $ 10,583 |  |  |
Customer Relationship [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 7 years |  |  |
Gross amount | $ 30,875 |  |  |
Accumulated amortization | (272) |  |  |
Net intangible assets | $ 30,603 |  |  |
Trademarks [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 20 years |  |  |
Gross amount | $ 16,357 |  |  |
Accumulated amortization | (50) |  |  |
Net intangible assets | $ 16,307 |  |  |
Domain Names [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 20 years |  |  |
Gross amount | $ 191 |  |  |
Accumulated amortization | (1) |  |  |
Net intangible assets | $ 190 |  |  |
Database [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 10 years |  |  |
Gross amount | $ 25,052 |  |  |
Accumulated amortization | (155) |  |  |
Net intangible assets | $ 24,897 |  |  |
Non-competition Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted average amortization period | 5 years |  |  |
Gross amount | $ 728 |  |  |
Accumulated amortization | (9) |  |  |
Net intangible assets | $ 719 |  |  |
[1] | As the Company completed the Fluent Acquisition on December 8, 2015, the related operating results for the year ended December 31, 2015 included Fluent's financial data from December 9, 2015 through December 31, 2015.
[2] | As IDI Holdings, the accounting acquirer of the merger consummated effective as of March 21, 2015, was incorporated on September 22, 2014, the financial data for the corresponding period in 2014 were from September 22, 2014, the date of inception, through December 31, 2014.

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