BUSINESS COMBINATIONS AND RELATED ACTIVITY - Schedule of Business Acquisitions Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Nov. 03, 2025	Nov. 01, 2025	Sep. 01, 2025	Jul. 01, 2025	May 01, 2025	Apr. 01, 2025	Mar. 07, 2025	Jan. 02, 2025	Dec. 31, 2024	Nov. 01, 2024	Oct. 07, 2024	Sep. 16, 2024	Sep. 01, 2024	Jun. 01, 2024	Apr. 01, 2024	Mar. 31, 2024	Feb. 01, 2024	Dec. 31, 2023
Business Combination [Line Items]
Goodwill	$ 907,663									$ 710,663									$ 679,463
Business Acquisitions
Business Combination [Line Items]
Total Purchase Consideration	133,109									59,045
Property & Equipment	23,204									28,289
Right of Use Assets	27,925									25,709
Goodwill	111,622									34,697
Intangible Assets	2,213									2,565
Other Assets	248									161
Right of Use Liabilities	(30,015)									(26,079)
Finance lease	$ (2,088)
Notes payable and other liabilities										$ (6,297)
HALO Centers, LLC
Business Combination [Line Items]
Total Purchase Consideration									$ 4,200
Property & Equipment									587
Right of Use Assets									3,238
Goodwill									3,563
Intangible Assets									50
Other Assets									0
Right of Use Liabilities									(3,238)
Finance lease									$ 0
Hillcroft Medical Clinic
Business Combination [Line Items]
Total Purchase Consideration								$ 734
Property & Equipment								278
Right of Use Assets								0
Goodwill								406
Intangible Assets								50
Other Assets								0
Right of Use Liabilities								0
Finance lease								$ 0
North County Radiology – Oceanside, LLC
Business Combination [Line Items]
Total Purchase Consideration							$ 1,702
Property & Equipment							238
Right of Use Assets							599
Goodwill							1,307
Intangible Assets							150
Other Assets							7
Right of Use Liabilities							(599)
Finance lease							$ 0
Faculty Physicians and Surgeons of LLUSM (Palm Imaging)
Business Combination [Line Items]
Total Purchase Consideration						$ 1,400
Property & Equipment						648
Right of Use Assets						0
Goodwill						702
Intangible Assets						50
Other Assets						0
Right of Use Liabilities						0
Finance lease						0
California MSK MSO, LLC (OSS Burbank)
Business Combination [Line Items]
Total Purchase Consideration						500
Property & Equipment						330
Right of Use Assets						0
Goodwill						70
Intangible Assets						100
Other Assets						0
Right of Use Liabilities						0
Finance lease						0
HALO Centers LLC (Indian Wells)
Business Combination [Line Items]
Total Purchase Consideration						7,850
Property & Equipment						1,714
Right of Use Assets						2,439
Goodwill						6,072
Intangible Assets						50
Other Assets						15
Right of Use Liabilities						(2,439)
Finance lease						$ 0
Kolb Radiology P.C.
Business Combination [Line Items]
Total Purchase Consideration					$ 26,659
Property & Equipment					6,887
Right of Use Assets					5,355
Goodwill					22,396
Intangible Assets					79
Other Assets					155
Right of Use Liabilities					(6,125)
Finance lease					$ (2,088)
Schonholz and Drossman, LLP
Business Combination [Line Items]
Total Purchase Consideration				$ 30,101
Property & Equipment				2,921
Right of Use Assets				5,566
Goodwill				26,790
Intangible Assets				295
Other Assets				95
Right of Use Liabilities				(5,566)
Finance lease				$ 0
Laser Assets, Inc.
Business Combination [Line Items]
Total Purchase Consideration			$ 29,058
Property & Equipment			7,145
Right of Use Assets			4,529
Goodwill			22,170
Intangible Assets			134
Other Assets			(32)
Right of Use Liabilities			(4,889)
Finance lease			0
Woodburn Nuclear Medicine, Ltd.
Business Combination [Line Items]
Total Purchase Consideration			29,705
Property & Equipment			1,658
Right of Use Assets			4,292
Goodwill			27,902
Intangible Assets			1,105
Other Assets			0
Right of Use Liabilities			(5,252)
Finance lease			$ 0
River Radiology, PLLC
Business Combination [Line Items]
Total Purchase Consideration		$ 1,200
Property & Equipment		798
Right of Use Assets		1,908
Goodwill		244
Intangible Assets		150
Other Assets		8
Right of Use Liabilities		(1,908)
Finance lease		$ 0
Antelope Valley Outpatient Imaging
Business Combination [Line Items]
Total Purchase Consideration																		$ 3,530
Property & Equipment																		2,793
Right of Use Assets																		563
Goodwill																		687
Intangible Assets																		50
Other Assets																		0
Right of Use Liabilities																		(563)
Notes payable and other liabilities																		$ 0
Grossman Imaging Center Of CMH, LLC
Business Combination [Line Items]
Total Purchase Consideration																	$ 10,343
Property & Equipment																	1,717
Right of Use Assets																	6,304
Goodwill																	8,500
Intangible Assets																	280
Other Assets																	56
Right of Use Liabilities																	(6,514)
Notes payable and other liabilities																	0
Providence Health System Southern California
Business Combination [Line Items]
Total Purchase Consideration																	7,369
Property & Equipment																	1,378
Right of Use Assets																	3,441
Goodwill																	5,991
Intangible Assets																	0
Other Assets																	0
Right of Use Liabilities																	(3,441)
Notes payable and other liabilities																	$ 0
Houston Medical Imaging, LLC
Business Combination [Line Items]
Total Purchase Consideration																$ 22,703
Property & Equipment																15,826
Right of Use Assets																7,929
Goodwill																11,584
Intangible Assets																1,660
Other Assets																90
Right of Use Liabilities																(8,089)
Notes payable and other liabilities																$ (6,297)
U.S. Imaging, Inc
Business Combination [Line Items]
Total Purchase Consideration															$ 4,200
Property & Equipment															4,025
Right of Use Assets															5,597
Goodwill															0
Intangible Assets															175
Other Assets															0
Right of Use Liabilities															(5,597)
Notes payable and other liabilities															$ 0
Global Imaging LLP
Business Combination [Line Items]
Total Purchase Consideration														$ 2,900
Property & Equipment														1,266
Right of Use Assets														0
Goodwill														1,584
Intangible Assets														50
Other Assets														0
Right of Use Liabilities														0
Notes payable and other liabilities														$ 0
Stanislaus Surgical Hospital, LLC
Business Combination [Line Items]
Total Purchase Consideration													$ 3,000
Property & Equipment													503
Right of Use Assets													1,468
Goodwill													2,382
Intangible Assets													100
Other Assets													15
Right of Use Liabilities													(1,468)
Notes payable and other liabilities													$ 0
Pink Perception, LLC
Business Combination [Line Items]
Total Purchase Consideration												$ 4,000
Property & Equipment												494
Right of Use Assets												407
Goodwill												3,306
Intangible Assets												200
Other Assets												0
Right of Use Liabilities												(407)
Notes payable and other liabilities												$ 0
AV Imaging PLLC
Business Combination [Line Items]
Total Purchase Consideration											$ 1,000
Property & Equipment											287
Right of Use Assets											0
Goodwill											663
Intangible Assets											50
Other Assets											0
Right of Use Liabilities											0
Notes payable and other liabilities											$ 0