ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income tax benefit or provision	$ 4,900,000	$ 5,140,000	$ (7,062,000)	$ (598,000)
Accumulated other comprehensive (loss) income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income tax benefit or provision			$ 0	$ 0