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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