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

Contingencies (Details)	Nov. 18, 2014 lawsuit	Jul. 28, 2014 entity
Beneficial Owner [Member]
Loss Contingencies [Line Items]
Number of entities controlled \| entity		3
Federal Securities Litigation [Member]
Loss Contingencies [Line Items]
Number of lawsuits consolidated	2