COMPREHENSIVE INCOME - Narrative (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	$ 6,963
Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	6,963
Other Income (Expense), net | Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	1,400
Interest income | Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain reclassified from accumulated other comprehensive income	$ 5,500