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Restricted Cash Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Restricted Cash [Abstract]    
Restricted Cash and Cash Equivalents, Current $ 800us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 800us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue