INTANGIBLE ASSETS AND LIABILITIES - Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INTANGIBLE ASSETS AND LIABILITIES
Amortization Expense	$ 8,801	$ 5,977	$ 3,758
Accretion to Properties Revenue	(328)	(257)	(108)
Net Amortization of Intangible Assets and Liabilities	$ 8,473	$ 5,720	$ 3,650

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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