Stockholders' Equity - Shelf Registration Statement (Details) $ in Millions	Jun. 19, 2015 USD ($)
2015 Shelf Registration
Sale of stock
Aggregate amount of securities issuable	$ 150.0

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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