Stock Repurchase Program (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Stock Repurchase Program [Abstract]
Stock Repurchase Program, Authorized Amount	$ 15
Stock Repurchase Program, Period in Force	24 months
Stock Repurchase Program Expiration Date	Nov. 03, 2016

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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