Commitments and Contingencies Commitments and Contingencies-Additional Details (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 30, 2014 sqft	Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Litigation Settlement, Amount		$ 1.25
Area of Real Estate Property	45,000
Lessee Leasing Arrangements, Operating Leases, Term of Contract	5 years 6 months

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration