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Revenue From Contracts With Customers Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Revenue Recognition [Abstract]
Remaining Fixed Transaction Price	$ 52.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024

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- References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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- Definition

Year in which remaining performance obligation is expected to be recognized, in CCYY format.

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No definition available.

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