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DERIVATIVE INSTRUMENTS - Schedule of Derivative Instruments (Details) - Cash Flow Hedges - Designated as Hedging Instrument - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative [Line Items] |  |
Estimated Fair Value | $ 67,254 | $ 56,712
Interest Rate Swap Designated March 31, 2023 |  |
Derivative [Line Items] |  |
Notional Amount | 0 |
Estimated Fair Value | (1,923) |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |
Derivative [Line Items] |  |
Notional Amount | 1,475,000 | 1,475,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 13, 2017 Tranche 2 |  |
Derivative [Line Items] |  |
Notional Amount | $ 150,000 | $ 150,000
Fixed Interest Rate | 2.423% | 2.423%
Estimated Fair Value | $ 3,395 | $ 5,012
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 13, 2017 Tranche 3 |  |
Derivative [Line Items] |  |
Notional Amount | $ 200,000 | $ 200,000
Fixed Interest Rate | 2.313% | 2.313%
Estimated Fair Value | $ 7,440 | $ 8,380
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated October 10, 2018 Tranche 1 |  |
Derivative [Line Items] |  |
Notional Amount | $ 75,000 | $ 75,000
Fixed Interest Rate | 3.22% | 3.22%
Estimated Fair Value | $ 2,381 | $ 1,831
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated October 10, 2018 Tranche 2 |  |
Derivative [Line Items] |  |
Notional Amount | $ 75,000 | $ 75,000
Fixed Interest Rate | 3.199% | 3.199%
Estimated Fair Value | $ 2,486 | $ 1,905
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated October 10, 2018 Tranche 3 |  |
Derivative [Line Items] |  |
Notional Amount | $ 75,000 | $ 75,000
Fixed Interest Rate | 3.209% | 3.209%
Estimated Fair Value | $ 2,339 | $ 1,970
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 18, 2018 Tranche 1 |  |
Derivative [Line Items] |  |
Notional Amount | $ 100,000 | $ 100,000
Fixed Interest Rate | 2.885% | 2.885%
Estimated Fair Value | $ 6,052 | $ 4,252
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 18, 2018 Tranche 2 |  |
Derivative [Line Items] |  |
Notional Amount | $ 100,000 | $ 100,000
Fixed Interest Rate | 2.867% | 2.867%
Estimated Fair Value | $ 6,187 | $ 4,153
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 15, 2020 Tranche 1 |  |
Derivative [Line Items] |  |
Notional Amount | $ 575,000 | $ 575,000
Fixed Interest Rate | 1.415% | 1.415%
Estimated Fair Value | $ 31,528 | $ 23,742
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Designated December 15, 2020 Tranche 2 |  |
Derivative [Line Items] |  |
Notional Amount | $ 125,000 | $ 125,000
Fixed Interest Rate | 1.404% | 1.404%
Estimated Fair Value | $ 7,369 | $ 5,467

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