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Derivatives and Fair Value Disclosures - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement $ (5,240,911) $ (2,585,692)
Interest Rate Swap 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement (5,240,911) 70,125
Interest Rate Swap 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement   (2,655,817)
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement (5,240,911) (2,585,692)
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement $ (5,240,911) 70,125
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fail value measurement   $ (2,655,817)