Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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The amount of capital contributed by the limited partners.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Joint venture investment contribution (Details) - USD ($) $ in Thousands				12 Months Ended
	Sep. 01, 2023	Jan. 01, 2019	Apr. 01, 2017	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Gain on disposal of equipment and other				$ (2,276)	$ (2,187)	$ (2,529)
Santa Monica Imaging Group LLC
Property, Plant and Equipment [Line Items]
Economic interest	49.00%	35.00%	40.00%
Limited partners' contributed capital	$ 11,300
Gain on disposal of equipment and other	$ 16,800
Cedars Sinai Medical Center
Property, Plant and Equipment [Line Items]
Economic interest	51.00%
Beverly Hills Imaging Center
Property, Plant and Equipment [Line Items]
Limited partners' contributed capital	$ 27,200