DERIVATIVE INSTRUMENTS - Schedule of Derivatives (Details) - Cash Flow Hedges - Designated as Hedging Instrument - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Current Notional Amount	$ 1,325,000,000	$ 1,325,000,000
Estimated Fair Value, Assets (Liabilities)	(95,752,000)	(45,145,000)
3-Month USD LIBOR | Interest Rate Swap Designated February 6, 2017 Tranche 1
Derivative [Line Items]
Current Notional Amount	$ 50,000,000	$ 50,000,000
Fixed Interest Rate	1.834%	1.834%
Estimated Fair Value, Assets (Liabilities)	$ (48,000)	$ (2,000)
1-Month USD LIBOR | Interest Rate Swap Designated February 6, 2017 Tranche 2
Derivative [Line Items]
Current Notional Amount	$ 100,000,000	$ 100,000,000
Fixed Interest Rate	1.652%	1.652%
Estimated Fair Value, Assets (Liabilities)	$ (233,000)	$ 12,000
1-Month USD LIBOR | Interest Rate Swap Designated March 27, 2017
Derivative [Line Items]
Current Notional Amount	$ 100,000,000	$ 100,000,000
Fixed Interest Rate	1.971%	1.971%
Estimated Fair Value, Assets (Liabilities)	$ (2,024,000)	$ (581,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 13, 2017 Tranche 1
Derivative [Line Items]
Current Notional Amount	$ 150,000,000	$ 150,000,000
Fixed Interest Rate	2.201%	2.201%
Estimated Fair Value, Assets (Liabilities)	$ (7,467,000)	$ (2,880,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 13, 2017 Tranche 2
Derivative [Line Items]
Current Notional Amount	$ 150,000,000	$ 150,000,000
Fixed Interest Rate	2.201%	2.201%
Estimated Fair Value, Assets (Liabilities)	$ (7,388,000)	$ (2,880,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 13, 2017 Tranche 3
Derivative [Line Items]
Current Notional Amount	$ 100,000,000	$ 100,000,000
Fixed Interest Rate	2.423%	2.423%
Estimated Fair Value, Assets (Liabilities)	$ (8,475,000)	$ (3,517,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 13, 2017 Tranche 4
Derivative [Line Items]
Current Notional Amount	$ 50,000,000	$ 50,000,000
Fixed Interest Rate	2.423%	2.423%
Estimated Fair Value, Assets (Liabilities)	$ (3,994,000)	$ (1,778,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 13, 2017 Tranche 5
Derivative [Line Items]
Current Notional Amount	$ 200,000,000	$ 200,000,000
Fixed Interest Rate	2.313%	2.313%
Estimated Fair Value, Assets (Liabilities)	$ (16,279,000)	$ (6,595,000)
1-Month USD LIBOR | Interest Rate Swap Designated October 10, 2018 Tranche 1
Derivative [Line Items]
Current Notional Amount	$ 75,000,000	$ 75,000,000
Fixed Interest Rate	3.22%	3.22%
Estimated Fair Value, Assets (Liabilities)	$ (10,186,000)	$ (5,750,000)
1-Month USD LIBOR | Interest Rate Swap Designated October 10, 2018 Tranche 2
Derivative [Line Items]
Current Notional Amount	$ 75,000,000	$ 75,000,000
Fixed Interest Rate	3.199%	3.199%
Estimated Fair Value, Assets (Liabilities)	$ (10,165,000)	$ (5,747,000)
1-Month USD LIBOR | Interest Rate Swap Designated October 10, 2018 Tranche 3
Derivative [Line Items]
Current Notional Amount	$ 75,000,000	$ 75,000,000
Fixed Interest Rate	3.209%	3.209%
Estimated Fair Value, Assets (Liabilities)	$ (10,185,000)	$ (5,807,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 18, 2018 Tranche 1
Derivative [Line Items]
Current Notional Amount	$ 100,000,000	$ 100,000,000
Fixed Interest Rate	2.885%	2.885%
Estimated Fair Value, Assets (Liabilities)	$ (9,453,000)	$ (4,930,000)
1-Month USD LIBOR | Interest Rate Swap Designated December 18, 2018 Tranche 2
Derivative [Line Items]
Current Notional Amount	$ 100,000,000	$ 100,000,000
Fixed Interest Rate	2.867%	2.867%
Estimated Fair Value, Assets (Liabilities)	$ (9,855,000)	$ (4,691,000)