DERIVATIVES - Fair Values of Derivative Financial Instruments Included in Consolidated Balance Sheets (Details) - Fair Value, Observable inputs, Level 2 - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivatives designated as hedging instruments | Interest rate swaps | Prepaid Expenses
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	$ 495	$ 42
Derivatives designated as hedging instruments | Interest rate swaps | Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	1,479	157
Derivatives designated as hedging instruments | Foreign exchange contracts | Prepaid Expenses
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	339	0
Derivatives not designated as hedging instruments | Interest rate swaps | Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	$ 717	$ 0