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Discontinued operations - Schedule of Gain (Loss) on Disposal Activity (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($)
Loss On Disposal Of Discontinued Operations [Line Items] |
Write off of unamortized debt costs | $ 284
Spin-off Red Violet |
Loss On Disposal Of Discontinued Operations [Line Items] |
Share-based compensation expense | (15,548)
Write-off of unamortized debt costs | (284)
Write-off of certain prepaid expenses | (198)
Spin-off related professional fees | (2,012)
Spin-off related employee compensation | (998)
Loss on disposal of discontinued operations | $ 19,040

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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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