DERIVATIVES - Gains and Losses Related to Derivative Financial Instruments Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Net change in cash flow hedges	$ 236	$ (173)	$ 101	$ (2,877)	$ 63	$ (2,776)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Net change in cash flow hedges	171		209		393	(2,885)
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Net change in cash flow hedges	$ 65		$ (108)		$ (330)	$ 109