Acquisition of Business, 2021 Preliminary Purchase Prices Allocation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2021
Business Combination, Description [Abstract]
Cash paid, net of cash acquired	$ 26,582	$ 59,788	$ 86,823
Contingent payments	9,800	8,300
Physical Therapy Operations [Member]
Business Combination, Description [Abstract]
Cash paid, net of cash acquired			23,630
Seller notes	985		800
Contingent payments	200		837
Other payable			1,000
Seller put right			0
Total consideration	24,642		26,267
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets	1,141		1,885
Total non-current assets	3,149		7,014
Total liabilities	(3,163)		(8,313)
Net tangible assets acquired	1,127		586
Customer and referral relationships	6,819		7,969
Non-compete agreements	329		415
Tradenames	1,680		2,144
Goodwill	25,521		27,109
Fair value of non-controlling interest (classified as redeemable non-controlling interest)	(10,834)		(11,956)
Total consideration	24,642		26,267
IIPS [Member]
Business Combination, Description [Abstract]
Cash paid, net of cash acquired			63,193
Seller notes			1,250	$ 1,000
Contingent payments			2,520
Other payable			0
Seller put right	1,200		3,522
Total consideration			70,485
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets			5,588
Total non-current assets			12,620
Total liabilities			(4,842)
Net tangible assets acquired			13,366
Customer and referral relationships			21,127
Non-compete agreements			500
Tradenames			5,141
Goodwill			58,257
Fair value of non-controlling interest (classified as redeemable non-controlling interest)			(27,906)
Total consideration			70,485
Acquisitions [Member]
Business Combination, Description [Abstract]
Cash paid, net of cash acquired		59,788	86,823
Seller notes	985	1,574	2,050
Contingent payments	200	10,000	3,357
Other payable			1,000
Seller put right			3,522
Total consideration	28,597	71,362	96,752
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets	1,533	1,329	7,473
Total non-current assets	3,484	7,798	19,634
Total liabilities	(3,204)	(10,930)	(13,155)
Net tangible assets acquired	1,813	(1,803)	13,952
Customer and referral relationships	7,576	18,062	29,096
Non-compete agreements	366	934	915
Tradenames	1,867	5,445	7,285
Goodwill	28,083	75,525	85,366
Fair value of non-controlling interest (classified as redeemable non-controlling interest)	(11,108)	(26,801)	(39,862)
Total consideration	$ 28,597	$ 71,362	$ 96,752