Revenue from Contracts with Customers - Narrative (Details) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2018
USD ($)
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Jun. 30, 2017
USD ($)
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Jun. 30, 2018
USD ($)
business_line
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Jun. 30, 2017
USD ($)
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Revenue from Contract with Customer [Abstract] | ||||
Number of business lines | business_line | 2 | |||
Disaggregation of Revenue [Line Items] | ||||
Typical payment term | 30 days | |||
Total revenues | $ 118,603 | $ 109,607 | $ 228,278 | $ 207,878 |
Capitalized contract cost, amortization | 2,100 | |||
Reimbursable revenue | ||||
Disaggregation of Revenue [Line Items] | ||||
Total revenues | $ 12,800 | $ 15,200 | $ 27,000 | $ 30,500 |
Minimum | ||||
Disaggregation of Revenue [Line Items] | ||||
Revenue, remaining performance obligation, expected timing of satisfaction, period | 2 months | |||
Maximum | ||||
Disaggregation of Revenue [Line Items] | ||||
Revenue, remaining performance obligation, expected timing of satisfaction, period | 60 months |
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- Definition Contract With Customer, Typical Payment Term No definition available.
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- Definition Number Of Business Lines No definition available.
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- References No definition available.
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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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