Acquisitions - Additional Information (Details) clinic in Thousands					3 Months Ended		9 Months Ended	13 Months Ended
	Jan. 02, 2024 USD ($) clinic	Mar. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2021 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Vault
Business Acquisition [Line Items]
Purchase price	$ 76,100,000
Contingent consideration	2,800,000
Transaction expenses					$ 100,000
Revenues attributable to acquiree					13,300,000
Vault | Customer lists
Business Acquisition [Line Items]
Finite lived assets acquired	$ 39,000,000
Useful life of assets acquired	12 years
Vault | Trade Names
Business Acquisition [Line Items]
Useful life of assets acquired	2 years
Vault | Developed Technology
Business Acquisition [Line Items]
Useful life of assets acquired	7 years
Vault | Revolving Credit Facility
Business Acquisition [Line Items]
Proceeds from lines of credit	$ 65,000,000
Vault | Office
Business Acquisition [Line Items]
Number of clinics acquired | clinic	17
Socrates Limited And A-Check
Business Acquisition [Line Items]
Purchase price		$ 66,200,000
Transaction expenses					200,000	$ 2,700,000
Cash purchase price		49,500,000
Tax deductible goodwill		0
Total consideration, purchase price adjustment							$ (294,000)
Socrates Limited And A-Check | Customer lists
Business Acquisition [Line Items]
Finite lived assets acquired		$ 28,000,000
Useful life of assets acquired		15 years
Socrates Limited And A-Check | Trade Names
Business Acquisition [Line Items]
Useful life of assets acquired		2 years
Socrates Limited And A-Check | Developed Technology
Business Acquisition [Line Items]
Useful life of assets acquired		8 years
Socrates Limited And A-Check | Non-compete agreements
Business Acquisition [Line Items]
Useful life of assets acquired		5 years
A-Check
Business Acquisition [Line Items]
Contingent consideration		$ 4,700,000
Current portion of contingent consideration		$ 2,600,000
Contingent consideration period		1 year
Noncurrent portion of contingent consideration		$ 2,100,000
Socrates
Business Acquisition [Line Items]
Retention requirements payable		$ 5,000,000
Period of retention requirements payable		2 years
EBI
Business Acquisition [Line Items]
Purchase price			$ 67,500,000	$ 67,800,000
Contingent consideration				1,500,000
Cash purchase price				$ 66,300,000
Total consideration, purchase price adjustment								$ (300,000)
EBI | Revision of Prior Period, Error Correction, Adjustment
Business Acquisition [Line Items]
Contingent consideration					$ 4,000,000		$ 4,000,000