DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Fair Value of Derivative Instruments in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value of Derivative Instruments
Derivative assets	$ 254	$ 322
Derivative liabilities	964	8,455
Foreign Exchange Contracts
Fair Value of Derivative Instruments
Derivative, notional amount	47,500
Derivatives Designated as Hedging Instruments
Fair Value of Derivative Instruments
Derivative assets	0	0
Derivative liabilities	738	8,309
Derivatives Designated as Hedging Instruments \| Foreign Exchange Contracts \| Prepaid and other
Fair Value of Derivative Instruments
Derivative assets	0	0
Derivatives Designated as Hedging Instruments \| Foreign Exchange Contracts \| Accounts payable, accrued and other liabilities
Fair Value of Derivative Instruments
Derivative liabilities	0	0
Derivatives Designated as Hedging Instruments \| Cross Currency Swap Contract \| Accounts payable, accrued and other liabilities
Fair Value of Derivative Instruments
Derivative liabilities	738	8,309
Derivatives not Designated as Hedging Instruments
Fair Value of Derivative Instruments
Derivative assets	254	322
Derivative liabilities	226	146
Derivatives not Designated as Hedging Instruments \| Foreign Exchange Contracts \| Prepaid and other
Fair Value of Derivative Instruments
Derivative assets	254	322
Derivatives not Designated as Hedging Instruments \| Foreign Exchange Contracts \| Accounts payable, accrued and other liabilities
Fair Value of Derivative Instruments
Derivative liabilities	226	146
Derivatives not Designated as Hedging Instruments \| Cross Currency Swap Contract \| Accounts payable, accrued and other liabilities
Fair Value of Derivative Instruments
Derivative liabilities	$ 0	$ 0

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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