Fair Value Measurements - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 20, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Fair Value Disclosures [Abstract] | |||
| Change in contingent consideration | $ 0 | $ 0 | |
| Gain on contingent consideration | 10 | ||
| Consideration transferred | $ 28 | ||
| Contingent liability | $ 20 | $ 38 | |
| X | ||||||||||
- Definition Gain (Loss) On Contingent Consideration No definition available.
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| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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