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Agreements with Endospan (Details)				1 Months Ended	12 Months Ended
	Jul. 01, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 11, 2019 USD ($) tranche	Sep. 30, 2019 USD ($)	Dec. 31, 2024 USD ($) tranche	Mar. 31, 2025 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2019 USD ($)
Variable Interest Entity [Line Items]
Number of tranches | tranche			3
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Notes receivable balance	$ 25,000,000.0		$ 15,000,000		$ 25,000,000.0
Securities purchase option agreement				$ 1,000,000.0
Securities purchase option agreement, expiration period				90 days
Option to purchase outstanding securities	175,000,000.0	$ 250,000,000.0
Minimum amount of future consideration payment	0
Securities purchase option agreement, payment	100,000,000
Maximum amount of future consideration payment	200,000,000.0
Endospan option								$ 4,900,000
Number of tranches | tranche					3
Funding of loan agreement per tranche			5,000,000
Endospan Loans							$ 0
Variable Interest Entity, Primary Beneficiary | Endospan Option Amendment
Variable Interest Entity [Line Items]
Endospan option					$ 3,100,000	$ 3,100,000
Variable Interest Entity, Primary Beneficiary | Additional Endospan Loan
Variable Interest Entity [Line Items]
Endospan Loans					9,200,000	9,500,000
Variable Interest Entity, Primary Beneficiary | Upfront Acquisition Purchase Price
Variable Interest Entity [Line Items]
Option to purchase outstanding securities	$ 135,000,000.0
Variable Interest Entity, Primary Beneficiary | After Entering into the Endospan Loan Amendment | Endospan Loan
Variable Interest Entity [Line Items]
Endospan Loans					300,000	$ 300,000
Variable Interest Entity, Primary Beneficiary | Tranche One
Variable Interest Entity [Line Items]
Funding of loan agreement per tranche					7,000,000.0
Variable Interest Entity, Primary Beneficiary | Tranche Two
Variable Interest Entity [Line Items]
Funding of loan agreement per tranche					10,000,000.0
Variable Interest Entity, Primary Beneficiary | Tranche Three
Variable Interest Entity [Line Items]
Funding of loan agreement per tranche					8,000,000.0
Variable Interest Entity, Primary Beneficiary | Tranche One and Two
Variable Interest Entity [Line Items]
Funding of loan agreement per tranche					$ 17,000,000.0
Variable Interest Entity, Primary Beneficiary | Minimum
Variable Interest Entity [Line Items]
Option to purchase outstanding securities				$ 350,000,000.0
Variable Interest Entity, Primary Beneficiary | Maximum
Variable Interest Entity [Line Items]
Option to purchase outstanding securities				$ 450,000,000.0
Variable Interest Entity, Primary Beneficiary | JOTEC GmbH
Variable Interest Entity [Line Items]
Distribution fee			$ 9,000,000.0

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