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Revenue Recognition - Contract Acquisition Costs (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2018 USD ($)
Contract Acquisition Costs |
Expected amortization period, when the Company utilizes the practical expedient and expenses the costs as incurred | true
Amortization of contract acquisition cost | $ 0.3
Prepayments and other current assets |
Contract Acquisition Costs |
Current contract acquisition costs | 1.1
Other assets |
Contract Acquisition Costs |
Long term contract acquisition costs | $ 0.8
Minimum |
Contract Acquisition Costs |
Amortization period | 2 years
Maximum |
Contract Acquisition Costs |
Amortization period | 6 years

X
- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current. + References No definition available. + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent. + References No definition available. + Details
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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