DERIVATIVE FINANCIAL INSTRUMENTS - Fair Value of Derivative Assets and Liabilities (Details) - Level 2 - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Foreign Currency Derivatives    
Derivative asset, gross forward foreign currency exchange contracts $ 1,168 $ 794
Derivative asset, netting of counterparty contracts (843) (794)
Derivative asset, net foreign currency forward contract derivatives 325 0
Derivative liability, gross forward foreign currency exchange contracts (843) (1,225)
Derivative liability, netting of counterparty contracts 843 794
Derivative liability, net foreign currency forward contract derivatives $ 0 $ (431)