Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details)

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Derivative Instruments (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 20, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Derivative, notional amount       $ 187,500,000
Derivative, fixed interest rate       0.8525%
Interest rate, all inclusive 2.3525%      
Change in fair value of derivative instrument, net of tax (20,000) 55,000    
Interest rate swap 500,000 (700,000) 600,000  
Estimated unrealized loss to be realized in the next twelve months $ 1,200,000