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Derivatives and Fair Value Disclosures - Additional Information - 2 (Detail) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Apr. 19, 2022
Derivatives, Fair Value [Line Items]                  
Long-lived assets held-for-use, fair value disclosure $ 3,000,000 $ 3,250,000   $ 3,000,000   $ 3,000,000      
Depreciation, total       195,858 $ 170,884 37,125,903 $ 37,455,093 $ 37,693,733  
Impairment of long-lived assets held-for-use   49,977       54,142      
Impairment of long-lived assets to be disposed of 1,333,950   $ 305,607       714,895    
Property, Plant and Equipment, Net 681,337,153     681,337,153 832,335,059 681,337,153 832,335,059 $ 835,152,403  
Gas Monarch [Member] | Subsequent Event [Member]                  
Derivatives, Fair Value [Line Items]                  
Disposal group, including discontinued operation, consideration                 $ 2,375,000
Gas Pasha And Gas Evoluzione [Member]                  
Derivatives, Fair Value [Line Items]                  
Property, Plant and Equipment, Net         $ 2,829,116   $ 2,829,116    
Eco Loyalty [Member]                  
Derivatives, Fair Value [Line Items]                  
Long-lived assets held-for-use, fair value disclosure, net $ 250,000     $ 250,000   $ 250,000      
Assets held-for-sale, long lived, fair value disclosure   12,500,000              
Assets held for sale, costs to sell   $ 12,250,000