CASH FLOW INFORMATION (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) property	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($)
CASH FLOW INFORMATION
Interest Paid	$ 15,356,000	$ 14,425,000	$ 13,298,000
Cash paid for state income taxes	66,000	65,000	$ 117,000
Non-cash financing activities in connection with refinancing	$ 43,000,000	$ 65,000,000
Number of properties involved in non cash activities | property	5	11