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Operating Leases - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term	3 years 10 months 24 days	3 years 10 months 24 days
Weighted average discount rate	7.40%	7.40%
Foreign currency gain	$ 0.2	$ 0.5
Minimum
Lessee, Lease, Description [Line Items]
General term of leased facilities	3 years	3 years
Maximum
Lessee, Lease, Description [Line Items]
General term of leased facilities	5 years	5 years

X

- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Weighted average discount rate for operating lease calculated at point in time.

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