Revenue from Contracts with Customers - Disaggregation of Revenue (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) item segment	Sep. 30, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Number of operating segments | segment			2
Net sales	$ 267,021	$ 243,975	$ 796,259	$ 705,871
United States
Disaggregation of Revenue [Line Items]
Net sales	151,505	143,109	451,648	402,305
International
Disaggregation of Revenue [Line Items]
Net sales	115,516	100,866	$ 344,611	303,566
Cardiovascular
Disaggregation of Revenue [Line Items]
Number of product categories | item			4
Net sales	259,704	236,413	$ 773,002	684,134
Cardiovascular | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	101,059	86,778	299,573	246,488
Cardiovascular | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	79,813	69,089	240,203	207,685
Cardiovascular | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	49,435	56,429	143,492	149,369
Cardiovascular | OEM
Disaggregation of Revenue [Line Items]
Net sales	29,397	24,117	89,734	80,592
Cardiovascular | United States
Disaggregation of Revenue [Line Items]
Net sales	144,764	136,016	429,927	381,796
Cardiovascular | United States | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	61,282	55,014	181,383	153,431
Cardiovascular | United States | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	30,562	28,661	93,030	79,954
Cardiovascular | United States | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	27,895	32,048	80,179	80,845
Cardiovascular | United States | OEM
Disaggregation of Revenue [Line Items]
Net sales	25,025	20,293	75,335	67,566
Cardiovascular | International
Disaggregation of Revenue [Line Items]
Net sales	114,940	100,397	343,075	302,338
Cardiovascular | International | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	39,777	31,764	118,190	93,057
Cardiovascular | International | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	49,251	40,428	147,173	127,731
Cardiovascular | International | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	21,540	24,381	63,313	68,524
Cardiovascular | International | OEM
Disaggregation of Revenue [Line Items]
Net sales	4,372	3,824	14,399	13,026
Endoscopy
Disaggregation of Revenue [Line Items]
Net sales	7,317	7,562	23,257	21,737
Endoscopy | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	7,317	7,562	23,257	21,737
Endoscopy | United States | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	6,741	7,093	21,721	20,509
Endoscopy | International | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	$ 576	$ 469	$ 1,536	$ 1,228