DEBT - 2018 Senior Credit Facility (Details)		9 Months Ended
	Jul. 21, 2022	Sep. 30, 2023 USD ($) extension property	Dec. 31, 2022 USD ($)	Dec. 06, 2018 USD ($)
Debt Instrument [Line Items]
Principal Balance Outstanding		$ 1,461,340,000	$ 1,463,124,000
Number of unencumbered properties | property		53
Line of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		$ 50,000,000
Line of Credit | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage		0.20%
Line of credit facility, commitment fee percentage, rate threshold		50.00%
Line of Credit | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage		0.25%
2018 Senior Credit Facility | Unsecured debt
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 600,000,000
Additional borrowing capacity		$ 300,000,000
Amount available for borrowing		400,000,000
Principal Balance Outstanding		$ 215,000,000	215,000,000
$400 Million Revolver
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, floor		0.00%
$400 Million Revolver | SOFR
Debt Instrument [Line Items]
Interest Rate		1.00%
$400 Million Revolver | Federal Funds Rate
Debt Instrument [Line Items]
Debt basis spread on variable rate	50.00%	0.50%
$400 Million Revolver | Interest Rate Floor
Debt Instrument [Line Items]
Interest Rate		1.00%
$400 Million Revolver | Minimum | SOFR
Debt Instrument [Line Items]
Debt basis spread on variable rate		1.40%
$400 Million Revolver | Minimum | Base rate
Debt Instrument [Line Items]
Debt basis spread on variable rate		0.40%
$400 Million Revolver | Maximum | SOFR
Debt Instrument [Line Items]
Debt basis spread on variable rate		2.40%
$400 Million Revolver | Maximum | Base rate
Debt Instrument [Line Items]
Debt basis spread on variable rate		1.40%
$400 Million Revolver | Unsecured debt
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		$ 400,000,000
Principal Balance Outstanding		$ 15,000,000	15,000,000
Line of credit facility, extension periods | extension		2
Line of credit facility, extension term		6 months
Interest Rate		7.37%
$400 Million Revolver | Unsecured debt | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				400,000,000
$200 Million Term Loan | Minimum | SOFR
Debt Instrument [Line Items]
Debt basis spread on variable rate		1.35%
$200 Million Term Loan | Minimum | Base rate
Debt Instrument [Line Items]
Debt basis spread on variable rate		0.35%
$200 Million Term Loan | Maximum | SOFR
Debt Instrument [Line Items]
Debt basis spread on variable rate		2.35%
$200 Million Term Loan | Maximum | Base rate
Debt Instrument [Line Items]
Debt basis spread on variable rate		1.35%
$200 Million Term Loan | Unsecured debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 200,000,000		$ 200,000,000
Principal Balance Outstanding		$ 200,000,000	$ 200,000,000
Line of credit facility, extension periods | extension		2
Line of credit facility, extension term		12 months
Interest Rate		7.32%