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REVOLVING LOAN (Details) - USD ($)		3 Months Ended			9 Months Ended
REVOLVING LOAN (Details) - USD ($)	Jul. 27, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jun. 27, 2018
Debt Instrument [Line Items]
Proceeds from revolving loan					$ 18,000,000	$ 435,000,000
Repayments of outstanding balance					78,000,000	81,000,000
Capitalized costs net of accumulated amortization		$ 1,102,000			1,102,000		$ 1,317,000
Amortization expense pertaining to capitalized costs		71,000	$ 121,000		215,000	$ 262,000
Revolving loan \| Revolving
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 550,000,000							$ 500,000,000
Proceeds from revolving loan			$ 70,000,000	$ 345,000,000
Repayments of outstanding balance	$ 433,569,000
Outstanding balance		$ 380,569,000			380,569,000		$ 440,569,000
Installment payments required					$ 0
Credit agreement
Debt Instrument [Line Items]
Interest rate		6.545%			6.545%
Commitment fee percentage					0.175%
Unused portion of revolving loan		$ 169,431,000			$ 169,431,000
Credit agreement \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage					0.15%
Credit agreement \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage					0.225%