Stockholders' Equity - Equity Offering (Details)	Sep. 13, 2016 USD ($)
Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Shelf registration amount	$ 750,000,000

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.

Name:	us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration