Leasing Supplemental lease information (Details)	3 Months Ended
Mar. 31, 2019 USD ($)
Supplemental lease information [Line Items]
Finance Lease, Interest Payment on Liability	$ 0.1
Operating Lease, Payments	6.9
Finance Lease, Principal Payments	$ 0.2
Finance Lease, Weighted Average Remaining Lease Term	3 years 1 month
Operating Lease, Weighted Average Remaining Lease Term	5 years 1 month
Finance Lease, Weighted Average Discount Rate, Percent	8.20%
Operating Lease, Weighted Average Discount Rate, Percent	6.30%

[Line Items] for Additional lease information [Table]

No definition available.

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- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
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- Definition

Amount of cash outflow for principal payment on finance lease.

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- Definition

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

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- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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