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SERIES G DEBENTURES (Schedule of Maturities of Debentures Series G) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Repayment schedule (carrying amount):    
Total $ 230,972 $ 283,765
Accretion of carrying amount to principal amount (409)  
Carrying amount $ 64,082  
Series G Debentures [Member]    
Debt Instrument [Line Items]    
Interest rate 2.79%  
Repayment schedule (carrying amount):    
2021 $ 42,996  
2022 21,495  
Total $ 64,491