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Fair Value Measurements - Summary of Fair Value Assets and Liability Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Fair value information related to assets |  |
Assets | $ 2,170 | $ 2,310
Liabilities | (130) |
Earnout contingent consideration liability |  |
Fair value information related to assets |  |
Liabilities | (130) |
Quoted Prices in Active Markets (Level 1) |  |
Fair value information related to assets |  |
Assets | 2,170 | 2,310
Significant Unobserved Inputs (Level 3) |  |
Fair value information related to assets |  |
Liabilities | (130) |
Significant Unobserved Inputs (Level 3) | Earnout contingent consideration liability |  |
Fair value information related to assets |  |
Liabilities | (130) |
Money market funds |  |
Fair value information related to assets |  |
Assets | 118 | 118
Money market funds | Quoted Prices in Active Markets (Level 1) |  |
Fair value information related to assets |  |
Assets | 118 | 118
Other mutual funds |  |
Fair value information related to assets |  |
Assets | 2,052 | 2,192
Other mutual funds | Quoted Prices in Active Markets (Level 1) |  |
Fair value information related to assets |  |
Assets | $ 2,052 | $ 2,192

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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