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Acquisition - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 08, 2016 | Mar. 31, 2017 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |
Common stock, par value |  | $ 0.0005 | $ 0.0005
Contingent consideration payable in stock |  | $ 10,225 | $ 10,225
Goodwill |  | 166,256 | $ 166,256
Expected annualized savings in operating expenses |  | 4,500 |
Write-off of long-lived assets |  | 3,626 |
Trade Names and Acquired Proprietary Technology [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Write-off of long-lived assets |  | 3,626 |
General and Administrative Expenses [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Restructuring costs associated with Integration |  | 668 |
Information Services [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | $ 1,765 |  |
Information Services [Member] | General and Administrative Expenses [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Restructuring costs associated with Integration |  | 200 |
Performance Marketing [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | $ 3,619 |  |
Performance Marketing [Member] | General and Administrative Expenses [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Restructuring costs associated with Integration |  | $ 468 |
Trade Names [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets |  | 20 years | 20 years
Q Interactive, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Effective date of business acquisition |  | Jun. 08, 2016 | Jun. 08, 2016
Common stock, par value | $ 0.0005 |  |
Business acquisition, gross revenue earn-out target for contingent consideration | $ 25,000 |  |
Number of common stock applied for additional consideration, shares | 1,200,000 |  |
Earn-out period | 1 year |  |
Number of common stock applied for additional consideration, values | $ 10,000 |  |
Common stock trading days considered to determine volume weighted average price | 10 days |  |
Fair value of contingent consideration assuming earn-out target would be met | $ 10,000 |  |
Contingent consideration payable in stock |  |  | $ 10,225
Weighted average useful life of acquired intangible assets | 8 years |  |
Goodwill | $ 5,384 | $ 5,384 | $ 5,384
Q Interactive, LLC [Member] | Customer Relationship [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets | 10 years |  |
Q Interactive, LLC [Member] | Trade Names [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets | 20 years |  |
Q Interactive, LLC [Member] | Acquired Proprietary Technology [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets | 5 years |  |
Q Interactive, LLC [Member] | Databases [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets | 5 years |  |
Q Interactive, LLC [Member] | Non-competition Agreements [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Estimated useful life of intangible assets | 2 years |  |
Q Interactive, LLC [Member] | Common Stock [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business acquisition, common stock issued | 2,369,190 |  |

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