FAIR VALUE DISCLOSURES - Assets and Liabilities at Fair value (Details) - Recurring Basis: $ in Thousands	Jun. 30, 2021 USD ($) investmentInstrument
Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability derivatives	$ (25,501)
Interest Rate Swaps | Quoted Prices in Active Markets  for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability derivatives	0
Interest Rate Swaps | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability derivatives	(25,501)
Interest Rate Swaps | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability derivatives	$ 0
Interest Rate Swap at Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of Instruments | investmentInstrument	2