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Derivative Financial Instruments
 3 Months Ended
Mar. 31, 2013
Derivative Financial Instruments [Abstract]  
Derivative Financial Instruments
(5) Derivative Financial Instruments

The Company is a party to two interest rate cap agreements which limit its cost of variable rate debt on a portion of its term loans. The interest rate cap agreements have an aggregate notional amount of $57.5 million and cap LIBOR at 1% on an equivalent amount of the Company’s term loans. The interest rate cap agreements terminate in September 2014. The interest rate caps were not designated as hedging instruments. As of March 31, 2013, the fair value of the interest rate caps, reported in other assets, was approximately $21,000. The fair values of the interest rate caps were determined using observable inputs (Level 2). The inputs were quotes from the counterparties to the interest rate cap agreements. The change in fair value, reported in interest expense, was approximately $2,000 for the three months ended March 31, 2013.