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Common Stock
 12 Months Ended
Dec. 31, 2012
Equity Based Plans, Preferred Stock and Common Stock [Abstract]  
Common Stock

11. Common Stock

In September 2001 through December 31, 2008, the Board of Directors (“Board”) authorized the Company to purchase, in the open market or in privately negotiated transactions, up to 2,250,000 shares of its common stock. However, the terms of the Company’s revolving credit facility had prohibited such purchases since August 2007. As of December 31, 2008, there were approximately 50,000 shares remaining that could be purchased under those programs. In March 2009, the Board authorized the repurchase of up to 10% or approximately 1,200,000 shares of its common stock (“March 2009 Authorization”). In connection with the March 2009 Authorization, the Company amended its revolving credit facility to permit the share repurchases. The Company is required to retire shares purchased under the March 2009 Authorization. Since there is no expiration date for these share repurchase programs, additional shares may be purchased from time to time in the open market or private transactions depending on price, availability and the Company’s cash position. The Company did not purchase any shares in 2012. During 2011, the Company purchased 254,642 shares of its common stock for an aggregate cost of $4.7 million. During 2010, the Company purchased 86,522 shares for an aggregate purchase price of $1.4 million. There were approximately 390,000 shares remaining that could be purchased under these programs.