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Basis of Presentation - Remaining Performance Obligation (Details) $ in Thousands | Sep. 30, 2018 USD ($)
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Accounting Policies [Abstract] |
Remaining performance obligation | $ 75,420
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-04-01 |
Accounting Policies [Abstract] |
Remaining performance obligation | $ 33,076
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Performance obligation, expected timing of satisfaction | 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01 |
Accounting Policies [Abstract] |
Remaining performance obligation | $ 33,944
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Performance obligation, expected timing of satisfaction | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 |
Accounting Policies [Abstract] |
Remaining performance obligation | $ 4,655
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Performance obligation, expected timing of satisfaction | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01 |
Accounting Policies [Abstract] |
Remaining performance obligation | $ 3,723
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Performance obligation, expected timing of satisfaction | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01 |
Accounting Policies [Abstract] |
Remaining performance obligation | $ 22
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Performance obligation, expected timing of satisfaction | 1 year

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045 + Details
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