Acquisitions, Asset Purchases and Investments (Details) $ in Thousands	3 Months Ended						12 Months Ended
	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) arrangement	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Investment acquired, non-controlling interest share							$ 25,000	$ 0	$ 250
Goodwill			$ 359,345				$ 361,795	359,345	$ 243,347	$ 239,724
Noncontrolling interest, remaining percentage purchased from noncontrolling owners			5.00%
Noncontrolling interest, purchase of Interests			$ 1,000					990
International Water Testing Company | Canada
Business Acquisition [Line Items]
Payments to acquire business		$ 12,800
Holdback		1,300
Goodwill		$ 6,900
International Water Testing Company | Canada | Technology-based intangible assets
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		10 years
Net tangible assets		$ 3,400
International Water Testing Company | Canada | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		10 years
Net tangible assets		$ 1,200
International Water Testing Company | Canada | New tangible assets
Business Acquisition [Line Items]
Net tangible assets		$ 1,300
Reference Laboratory | Finland
Business Acquisition [Line Items]
Payments to acquire business			13,400
Holdback			1,400					1,400
Goodwill			6,900					6,900
Net tangible liabilities			$ 1,700					1,700
Reference Laboratory | Finland | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			10 years
Net tangible assets			$ 7,400					7,400
Reference Laboratory | Finland | Noncompete agreements
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			3 years
Net tangible assets			$ 800					800
Reference Laboratory | Switzerland
Business Acquisition [Line Items]
Goodwill						$ 1,800
Consideration transferred						5,500
Contingent payment and holdback						1,100
Liabilities						$ 600
Reference Laboratory | Switzerland | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life						9 years
Intangible assets acquired						$ 4,300
Teleradiology Business
Business Acquisition [Line Items]
Goodwill				$ 3,700
Consideration transferred				5,400
Contingent consideration				300
Teleradiology Business | Customer relationships
Business Acquisition [Line Items]
Net tangible assets				$ 1,700
Weighted average useful life of intangible assets				10 years
EzyVet Cloud-based Veterinary
Business Acquisition [Line Items]
Net tangible assets					$ 3,200
Goodwill					109,400
Consideration transferred					157,200
Contingent consideration			7,000		5,000			$ 7,000
Change in amount of contingent payable			2,000
Acquisition expenses			$ 2,200
EzyVet Cloud-based Veterinary | IDEXX VetLab consumables
Business Acquisition [Line Items]
Goodwill					23,400
EzyVet Cloud-based Veterinary | Reference laboratory diagnostic and consulting services
Business Acquisition [Line Items]
Goodwill					27,000
EzyVet Cloud-based Veterinary | Rapid assay products
Business Acquisition [Line Items]
Goodwill				$ 11,100
EzyVet Cloud-based Veterinary | Veterinary software, services and diagnostic imaging systems
Business Acquisition [Line Items]
Goodwill				$ 47,900
EzyVet Cloud-based Veterinary | Technology-based intangible assets
Business Acquisition [Line Items]
Net tangible assets					$ 8,400
Weighted average useful life of intangible assets					6 years
EzyVet Cloud-based Veterinary | Customer relationships
Business Acquisition [Line Items]
Net tangible assets					$ 32,000
Weighted average useful life of intangible assets					10 years
EzyVet Cloud-based Veterinary | Noncompete agreements
Business Acquisition [Line Items]
Net tangible assets					$ 1,800
Weighted average useful life of intangible assets					5 years
EzyVet Cloud-based Veterinary | Trademarks
Business Acquisition [Line Items]
Net tangible assets					$ 2,400
Weighted average useful life of intangible assets					14 years
License Intellectual Property Rights
Business Acquisition [Line Items]
Number of arrangements to license intellectual property | arrangement							2
Payments to acquire productive assets							$ 65,000
Payable to acquire productive assets							15,000
License Intellectual Property Rights | Subsequent Event
Business Acquisition [Line Items]
Payments to acquire productive assets	$ 15,000
Perpetual Intellectual Property License
Business Acquisition [Line Items]
Payments to acquire productive assets							$ 10,000
Finite-lived intangible asset, useful life							10 years