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SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Information [Abstract]
Net operating revenue	$ 131,704	$ 112,368
Gross profit	26,588	25,896
Total assets	763,863	749,426	$ 749,426
Reportable Segments [Member] | Physical Therapy Operations [Member]
Segment Information [Abstract]
Net operating revenue	112,636	102,359
Gross profit	22,436	23,174
Total assets	608,240	723,530
Reportable Segments [Member] | Industrial Injury Prevention Services [Member]
Segment Information [Abstract]
Net operating revenue	19,068	10,009
Gross profit	4,152	2,722
Total assets	$ 155,623	$ 25,896

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