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Commitment and Contingencies Commitment and Contingencies (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Oct. 06, 2014 | Jun. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Feb. 06, 2015
Commitments and Contingencies Disclosure [Abstract] |  |  |  |  |
Litigation settlement | $ 20,000 us-gaap_LitigationSettlementAmount |  | $ (20,000)us-gaap_LitigationSettlementAmount | $ 0 us-gaap_LitigationSettlementAmount |
Litigation settlement, expense |  | 20,000 us-gaap_LitigationSettlementExpense |  |  |
Subsequent Event [Member] |  |  |  |  |
Commitments and Contingencies Disclosure [Abstract] |  |  |  |  |
Litigation settlement |  |  |  |  | $ (2,250)us-gaap_LitigationSettlementAmount / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |