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Derivative Instruments and Hedging Activities - Financial instruments (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Estimated reclassification to interest expense $ 3,526,000  
Notional amount 250,000,000 $ 85,000,000
Derivatives designated as hedging instruments    
Derivative financial instruments    
Fair Value Asset (Liability) (8,339,288)  
Derivatives designated as hedging instruments | Interest rate swap agreements | Other current liabilities    
Derivative financial instruments    
Fair Value Asset (Liability) (2,157,324)  
Derivatives designated as hedging instruments | Interest rate swap agreements | Other long-term liabilities    
Derivative financial instruments    
Fair Value Asset (Liability) $ (6,181,964)  
Derivatives not designated as hedging instruments    
Derivative financial instruments    
Fair Value Asset (Liability)   546,832
Derivatives not designated as hedging instruments | Interest rate swap agreements | Prepaid and other current assets    
Derivative financial instruments    
Fair Value Asset (Liability)   943,134
Derivatives not designated as hedging instruments | Interest rate swap agreements | Other current liabilities    
Derivative financial instruments    
Fair Value Asset (Liability)   $ (396,302)