COMPREHENSIVE INCOME - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	$ 6,752
Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	6,752
Other Income (Expense), net | Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	4,000
Interest income | Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	$ 2,800