Legal Settlement (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended
Jul. 31, 2013	Jan. 31, 2014 Subsequent Event [Member]
Commitments and Contingencies Disclosure [Abstract]
Litigation Settlement, Amount	$ 29,494
Subsequent Event [Line Items]
Litigation Settlement, Additional Contingent Amount		$ 6,500

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

No definition available.

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration