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Subsequent Events (Details) (USD $)
6 Months Ended
Jun. 30, 2014
Sun Trust Revolving Credit Facility [Member]
Jan. 17, 2014
Sun Trust Revolving Credit Facility [Member]
Jan. 19, 2010
Sun Trust Revolving Credit Facility [Member]
Aug. 06, 2014
Subsequent event [Member]
Aug. 07, 2014
Subsequent event [Member]
Sun Trust Revolving Credit Facility [Member]
Aug. 06, 2014
Subsequent event [Member]
Sun Trust Revolving Credit Facility [Member]
Subsequent Event [Line Items]            
Credit facility, covenant for minimum adjusted EBITDA $ 18,000,000       $ 12,000,000 $ 12,000,000
Credit facility, maximum borrowing capacity 25,000,000.0 25,000,000.0 15,000,000.0     20,000,000
Common stock repurchased, shares       2,556,727    
Common stock repurchased, value       $ 16,400,000