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RESTRICTED CASH (Narrative) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Restricted Cash and Cash Equivalents Items [Line Items]      
Restricted cash $ 175 $ 175 $ 1,050
Reserve required by local government 481,300 456,500  
Securities Sold under Agreements to Repurchase      
Restricted Cash and Cash Equivalents Items [Line Items]      
Restricted cash $ 175 $ 175