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DERIVATIVE INSTRUMENTS - Schedule of Derivatives (Details) - Cash Flow Hedges - Designated as Hedging Instrument - USD ($) | Mar. 31, 2020 | Dec. 31, 2019
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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)

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