XML 140 R103.htm IDEA: XBRL DOCUMENT v3.22.1
Sales (Mitigating Price Risk) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Oct. 31, 2021
t
Oct. 31, 2021
$ / T
Feb. 11, 2021
t
$ / T
Dec. 31, 2020
t
Dec. 31, 2020
$ / T
Dec. 31, 2020
gal
Dec. 31, 2020
$ / gal
Disclosure of major customers [line items]                
Ralized loss | $ $ 1,500              
Unrealized loss | $ $ 1,300              
Lead Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t       6,237        
Floor Price       2,000        
Cap Price       2,125        
Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t         12,300      
Floor Price           2,600    
Cap Price           2,900    
Heating Oil Commodity [Member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | gal             720,000  
Floor Price | $ / gal               1.40
Cap Price | $ / gal               1.6150
Jet Fuel Commodity [Member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | gal             1,680,000  
Floor Price | $ / gal               1.30
Cap Price | $ / gal               1.4775
Swap contract [member] | Heating Oil Commodity [Member]                
Disclosure of major customers [line items]                
Aggregate forward- swap             720,000 1.52
Swap contract [member] | Jet Fuel Commodity [Member]                
Disclosure of major customers [line items]                
Aggregate forward- swap             1,680,000 1.438
Forward Swap Contract, Maturing From January 01, 2022 To March 31, 2022 [Member]                
Disclosure of major customers [line items]                
Aggregate forward- swap   1,200 3,300          
Forward Swap Contract, Maturing From April 01, 2022 To June 30, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate forward- swap   1,200 3,256          
Forward Swap Contract, Maturing From July 31, 2022 To Sep 30, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate forward- swap   1,200 3,256          
Forward Swap Contract, Maturing From October 01, 2022 To December 30, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate forward- swap   1,200 3,175          
Zero cost collar derivatives maturing from January 01 2022 to March 31,2022 | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t   1,200            
Floor Price     3,200          
Cap Price     3,500          
Zero Cost Collar Derivatives Maturing From April 01 2022 To June 30, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t   1,200            
Floor Price     3,200          
Cap Price     3,400          
Zero Cost Collar Derivatives Maturing From July 01, 2022 To September 30, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t   1,200            
Floor Price     3,200          
Cap Price     3,290          
Zero Cost Collar Derivatives Maturing From October 01, 2022 To December 31, 2022 [Member] | Zinc Commodity [member]                
Disclosure of major customers [line items]                
Aggregate quantity of zero cost collars | t   1,200            
Floor Price     3,100          
Cap Price     3,225