Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
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- Details

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Period Type:	duration

- Definition

The estimated maximum amount of possible loss from the contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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Balance Type:	debit
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- Definition

The estimated minimum amount of possible loss from the contingency.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- Details

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Namespace Prefix:
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- Details

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Legal Proceedings (Details) (USD $)	3 Months Ended	0 Months Ended
Legal Proceedings (Details) (USD $)	Dec. 31, 2013	Oct. 04, 2013	Aug. 23, 2014	Dec. 31, 2014
Loss Contingencies [Line Items]
Aggregate range of reasonably possible losses, minimum				$ 0
Aggregate range of reasonably possible losses, maximum				15,000,000
Litigation settlement, expense	10,000,000us-gaap_LitigationSettlementExpense
Securities Class Action Settlement Payment [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount		(11,800,000)
Posting Order Litigation [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount			(3,750,000)
Litigation settlement, expense			$ 150,000