Commitments and Contingencies (Narrative) (Details) $ in Millions	Mar. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Loss on Contingency, Estimate of Possible Loss, Minimum	$ 0.0
Loss Contingency, Estimate of Possible Loss, Maximum	$ 25.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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