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Investments in Joint Ventures - Summary of the Financial Information for Equity Accounted Investments (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]      
Current assets $ 51,706,378 $ 48,053,524  
Non-current assets 746,961,964 895,952,783  
Current liabilities 58,707,768 63,061,107  
Long-term liabilities 265,189,804 316,348,785  
Revenues 150,204,527 145,003,021 $ 144,259,312
Operating income/(loss) (31,015,052) 23,341,950 21,709,008
Net income/(loss) (35,123,208) 11,984,485 $ 2,093,124
Space Gas Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 2,347,954 2,163,484  
Non-current assets 11,900,116 12,559,048  
Current liabilities 1,426,492 1,118,776  
Long-term liabilities 4,178,256 4,855,255  
Revenues 3,023,283 3,222,037  
Operating income/(loss) 26,559 451,895  
Net income/(loss) (105,179) 246,616  
Financial Power Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 3,112,192 2,359,816  
Non-current assets 11,924,795 12,575,608  
Current liabilities 1,506,835 1,491,243  
Long-term liabilities 4,178,256 4,855,255  
Revenues 3,464,824 3,481,799  
Operating income/(loss) 893,121 935,869  
Net income/(loss) 762,975 728,428  
Cannes View Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 1,630,592 1,267,542  
Non-current assets 13,071,670 13,801,972  
Current liabilities 1,687,929 1,440,769  
Long-term liabilities 6,307,812 7,050,860  
Revenues 4,227,682 2,764,359  
Operating income/(loss) 396,337 (645,197)  
Net income/(loss) 128,636 (1,019,886)  
ColoradoOiland Gas Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 1,017,765 1,126,697  
Non-current assets 11,870,528 12,335,790  
Current liabilities 3,231,113 2,688,747  
Long-term liabilities 5,519,327 6,169,497  
Revenues 3,154,728 2,704,455  
Operating income/(loss) (216,091) (817,717)  
Net income/(loss) (466,393) (1,155,342)  
Frost Investments Corp Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 13,208,202 10,831,800  
Non-current assets 18,532,414 19,464,419  
Current liabilities 2,247,545 2,575,067  
Long-term liabilities 8,008,092 9,384,573  
Revenues 7,162,657 6,866,426  
Operating income/(loss) 3,509,152 3,122,539  
Net income/(loss) 3,148,404 2,656,770  
MGC Aggressive Holdings Inc [Member]      
Schedule of Equity Method Investments [Line Items]      
Current assets 23,228,225 5,096,668  
Non-current assets 56,221,031 82,809,937  
Current liabilities 5,357,705 8,315,433  
Long-term liabilities 22,799,849 40,958,366  
Revenues 17,468,871 18,409,814  
Operating income/(loss) 13,857,864 4,869,260  
Net income/(loss) $ 12,918,760 $ 3,882,812