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Restricted Cash
9 Months Ended
Sep. 30, 2013
Restricted Cash  
Restricted Cash
Restricted Cash.    At September 30, 2013 and December 31, 2012, we had restricted cash totaling $31,221,000 and $9,109,000, respectively, of which $31,064,000 and $8,953,000, respectively, was classified as long-term. The long-term restricted cash balance at September 30, 2013 and December 31, 2012 consisted primarily of funds posted as collateral by counterparties to our interest rate options.