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Revenue Recognition - Disaggregration of Revenue (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 USD ($)
Disaggregation of Revenue [Line Items] |
Total revenues | $ 59,906
Subscription and support |
Disaggregation of Revenue [Line Items] |
Total revenues | 46,470
XBRL professional services |
Disaggregation of Revenue [Line Items] |
Total revenues | 9,852
Other services |
Disaggregation of Revenue [Line Items] |
Total revenues | 3,584
Information technology |
Disaggregation of Revenue [Line Items] |
Total revenues | 7,270
Consumer discretionary |
Disaggregation of Revenue [Line Items] |
Total revenues | 6,893
Industrials |
Disaggregation of Revenue [Line Items] |
Total revenues | 6,747
Diversified financials |
Disaggregation of Revenue [Line Items] |
Total revenues | 6,290
Banks |
Disaggregation of Revenue [Line Items] |
Total revenues | 6,049
Healthcare |
Disaggregation of Revenue [Line Items] |
Total revenues | 5,350
Energy |
Disaggregation of Revenue [Line Items] |
Total revenues | 4,895
Other |
Disaggregation of Revenue [Line Items] |
Total revenues | $ 16,412

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