REDEEMABLE NON-CONTROLLING INTEREST (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Changes in Carrying Amount of Redeemable Non-Controlling Interests [Roll Forward]
Beginning balance	$ 167,515
Operating results allocated to redeemable non-controlling interest partners	2,720	$ 2,557
Ending balance	164,283		$ 167,515
Carrying Amount (Fair Value) of Redeemable Non-Controlling Interest [Abstract]
Fair value	164,283		167,515
Redeemable Non-Controlling Interest [Member]
Changes in Carrying Amount of Redeemable Non-Controlling Interests [Roll Forward]
Beginning balance	167,515	$ 155,262	155,262
Operating results allocated to redeemable non-controlling interest partners	2,720		6,902
Distributions to redeemable non-controlling interest partners	(2,158)		(10,102)
Changes in the fair value of redeemable non-controlling interest	(119)		3,862
Purchases of redeemable non-controlling interest	(6,156)		(16,061)
Acquired interest	1,754		26,746
Contributed capital	0		231
Sales of redeemable non-controlling interest - temporary equity	639		1,982
Notes receivable related to sales of redeemable non-controlling interest - temporary equity	532		(1,901)
Adjustments in notes receivable related to the sales of redeemable non-controlling interest - temporary equity	(444)		594
Ending balance	164,283		167,515
Carrying Amount (Fair Value) of Redeemable Non-Controlling Interest [Abstract]
Contractual time period has lapsed but holder's employment has not terminated	70,321		75,688
Contractual time period has not lapsed and holder's employment has not terminated	93,962		91,827
Holder's employment has terminated and contractual time period has expired	0		0
Holder's employment has terminated and contractual time period has not expired	0		0
Fair value	$ 164,283		$ 167,515
Therapy Practice [Member] | Minimum [Member]
Business Combination, Description [Abstract]
Business acquisition, percentage of limited partnership acquired	50.00%
Therapy Practice [Member] | Maximum [Member]
Business Combination, Description [Abstract]
Business acquisition, percentage of limited partnership acquired	90.00%
Therapy Practice [Member] | NewCo. [Member]
Business Combination, Description [Abstract]
Percentage of equity interest of subsidiary contributed for acquisition	100.00%
Business acquisition, percentage of general partnership interest acquired	100.00%
Business acquisition, consideration payable, term of note	2 years
Employment agreement renewal term	1 year
Non-Compete agreement term under condition of termination of employment of employed selling shareholder	2 years
Therapy Practice [Member] | NewCo. [Member] | Minimum [Member]
Business Combination, Description [Abstract]
Employment agreement term	3 years
Non-Compete agreement term regardless of whether the selling shareholder is employed	5 years
Therapy Practice [Member] | NewCo. [Member] | Maximum [Member]
Business Combination, Description [Abstract]
Employment agreement term	5 years
Non-Compete agreement term regardless of whether the selling shareholder is employed	6 years
ProgressiveHealth [Member] | NewCo. [Member]
Business Combination, Description [Abstract]
Percentage of equity interest of subsidiary contributed for acquisition	100.00%
Non-Compete agreement term under condition of termination of employment of employed selling shareholder	2 years
Non-Compete agreement term regardless of whether the selling shareholder is employed	7 years
Percentage of right to sell equity interest on each of the 4th and 5th anniversaries	30.00%
Percentage of right to sell equity interest on each of the 6th and 7th anniversaries	10.00%