XML 81 R61.htm IDEA: XBRL DOCUMENT v3.22.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Concentration of Credit Risk) (Details) - Customer Concentration Risk [Member] - numberOfCustomers
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenues [Member]      
Concentration Risk [Line Items]      
Number of Customers 1 1 0
Concentration Risk, Benchmark Description 10 10 10
Accounts Receivables [Member]      
Concentration Risk [Line Items]      
Number of Customers 1 1  
Concentration Risk, Benchmark Description 10 10  
Royal Dutch Shell [Member] | Revenues [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 15.00% 13.00%  
Royal Dutch Shell [Member] | Accounts Receivables [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 26.00% 16.00%