v3.22.4
Commitments and Contingencies - Additional Information (Details)
 3 Months Ended 12 Months Ended
May 08, 2020
USD ($)
Oct. 11, 2018
USD ($)
Feb. 24, 2014
Mar. 31, 2022
USD ($)
Vendor
Dec. 31, 2021
USD ($)
Vendor
Sep. 27, 2022
USD ($)
Dec. 31, 2019
USD ($)
Other Commitments [Line Items]              
Commitments to purchase natural gas on take-or-pay basis with number of vendors | Vendor       3 3    
Estimated remaining commitment liability       $ 300,000 $ 200,000    
Collateral deposit             $ 900,000
Letter of credit, description       EAF is required to provide financial security in the form of a letter of credit originally in the amount of $0.5 million, which amount may decrease annually during the term of the agreement and was equal to $0.2 million as of March 31, 2022 and December 31, 2021.      
Paycheck Protection Program Loan [Member]              
Other Commitments [Line Items]              
Loans demanding $ 10,000,000.0            
Proceeds from loan $ 2,000,000            
Incremental Natural Gas Facilities Agreement [Member]              
Other Commitments [Line Items]              
Upfront cost       $ 0      
Term of agreement     5 years 10 years      
Required payments to install pipeline       $ 100,000      
Incremental Natural Gas Facilities Agreement [Member] | Letter of Credit [Member]              
Other Commitments [Line Items]              
Principal amount       500,000      
Annual decrease in financial security       $ (200,000) $ (200,000)    
Subsequent Event [Member] | Sheehy Settlement Agreement [Member]              
Other Commitments [Line Items]              
Collateral deposit           $ 800,000  
El Toro [Member]              
Other Commitments [Line Items]              
Loss contingency, damages awarded value   $ 200,000