SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Segment Information [Abstract]
Net operating revenue	$ 148,509	$ 131,704
Gross profit	30,857	26,588
Total assets	868,127	763,863	$ 858,154
Reportable Segments [Member] | Physical Therapy Operations [Member]
Segment Information [Abstract]
Net operating revenue	129,159	112,636
Gross profit	27,089	22,436
Total assets	726,422	608,240
Reportable Segments [Member] | Industrial Injury Prevention Services [Member]
Segment Information [Abstract]
Net operating revenue	19,350	19,068
Gross profit	3,768	4,152
Total assets	$ 141,705	$ 155,623