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DERIVATIVE INSTRUMENTS - Agreements (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021 USD ($) item	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) item	Sep. 30, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
(Loss) gain recorded	$ (98)	$ (23)	$ 161	$ 0	$ 40	$ 0
Interest Rate Cap | Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate caps | item	3				3
Derivative, Notional Amount	$ 200,000				$ 200,000
(Loss) gain recorded	(98)				40
Amount of AOCI expected to be reclassified into earnings over the next 12 months	$ 169				$ 169
Interest Rate Cap - March 28, 2024 | Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cap rate (as a percent)	0.75%				0.75%
Derivative, Notional Amount	$ 50,000				$ 50,000
Interest Rate Cap - December 29, 2023 | Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cap rate (as a percent)	0.75%				0.75%
Derivative, Notional Amount	$ 100,000				$ 100,000
Interest Rate Cap - March 10, 2023 | Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cap rate (as a percent)	1.50%				1.50%
Derivative, Notional Amount	$ 50,000				$ 50,000

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