Organization, Nature of Operations and Basis of Presentation - Acquisition (Details) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
		May 31, 2023 USD ($) $ / shares shares	May 31, 2023 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) Clinic Segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 31, 2023
Business Combination, Description [Abstract]
Number of reportable segments | Segment				2
Shares issued (in shares) | shares		1,916,667	1,916,667
Offering price (in dollars per share) | $ / shares		$ 90	$ 90
Net proceeds from issuance of common stock | $		$ 163,600	$ 163,600	$ 163,646	$ 0	$ 0
Underwriting discount | $		8,600	8,600
Offering fees and expenses | $		200	200
Repayment of revolving credit facility | $		$ 35,000	$ 35,000	$ 55,000	$ 184,000	$ 218,000
IIP Business [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired							100.00%
Ergonomics Software Business [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired							55.00%
October 2023 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date	[1],[2]			Oct. 31, 2023
Percentage of interest acquired	[2]
Number of clinics	[1]
September 2023 Acquisition 1 [Member]
Business Combination, Description [Abstract]
Acquisition date				Sep. 29, 2023
Percentage of interest acquired				70.00%
Number of clinics				4
September 2023 Acquisition 2 [Member]
Business Combination, Description [Abstract]
Acquisition date				Sep. 29, 2023
Percentage of interest acquired				70.00%
Number of clinics				1
July 2023 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Jul. 31, 2023
Percentage of interest acquired				70.00%
Number of clinics				7
May 2023 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				May 31, 2023
Percentage of interest acquired				45.00%
Number of clinics				4
February 2023 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Feb. 28, 2023
Percentage of interest acquired				80.00%
Number of clinics				1
November 2022 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Nov. 30, 2022
Percentage of interest acquired				80.00%
Number of clinics				13
October 2022 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Oct. 31, 2022
Percentage of interest acquired				60.00%
Number of clinics				14
September 2022 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Sep. 30, 2022
Percentage of interest acquired				80.00%
Number of clinics				2
August 2022 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Aug. 31, 2022
Percentage of interest acquired				70.00%
Number of clinics				6
March 2022 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Mar. 31, 2022
Percentage of interest acquired				70.00%
Number of clinics				6
December 2021 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Dec. 31, 2021
Percentage of interest acquired				75.00%
Number of clinics				3
November 2021 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Nov. 30, 2021
Percentage of interest acquired				70.00%
Number of clinics	[1]
September 2021 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Sep. 30, 2021
Percentage of interest acquired				100.00%
Number of clinics	[1]
June 2021 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Jun. 30, 2021
Percentage of interest acquired				65.00%
Number of clinics				8
March 2021 Acquisition [Member]
Business Combination, Description [Abstract]
Acquisition date				Mar. 31, 2021
Percentage of interest acquired				70.00%
Number of clinics				6

[1] IIP business

[2] On October 31, 2023, the Company concurrently acquired 100% of an IIP business and a 55% equity interest in the ergonomics software business (“October 2023 Acquisition”).