Commitments and Contingencies - Narrative (Details) $ in Millions	6 Months Ended
Jun. 30, 2019 USD ($)
Shareholder Class Action Lawsuit
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to other party	$ 6.5

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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