ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Components of accumulated other comprehensive loss:
Balance at the beginning of the period	$ (69,165)	$ (3,034)
Other comprehensive (loss) income before reclassifications	(2,980)	(27,908)
Amounts reclassified from accumulated other comprehensive (loss) income	0
Net current-period other comprehensive (loss) income	(2,980)	(27,908)
Balance at the end of the period	(72,145)	24,874
Currency Translation Losses
Components of accumulated other comprehensive loss:
Balance at the beginning of the period	(68,209)	2,950
Other comprehensive (loss) income before reclassifications	1,079	(27,932)
Amounts reclassified from accumulated other comprehensive (loss) income	0
Net current-period other comprehensive (loss) income	1,079	(27,932)
Balance at the end of the period	(67,130)	(24,982)
Unrealized Losses on Available-for-Sale Securities
Components of accumulated other comprehensive loss:
Balance at the beginning of the period	(956)	84
Other comprehensive (loss) income before reclassifications	(4,059)	24
Amounts reclassified from accumulated other comprehensive (loss) income	0
Net current-period other comprehensive (loss) income	(4,059)	24
Balance at the end of the period	$ (5,015)	$ 108