Revenue from Contracts with Customers - Disaggregation of Revenue (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) segment item	Jun. 30, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Number of operating segments | segment			2
Net sales	$ 280,325	$ 218,371	$ 529,238	$ 461,896
United States
Disaggregation of Revenue [Line Items]
Net sales	158,771	118,140	300,143	259,196
International
Disaggregation of Revenue [Line Items]
Net sales	121,554	100,231	$ 229,095	202,700
Cardiovascular
Disaggregation of Revenue [Line Items]
Number of product categories | item			4
Net sales	272,292	212,177	$ 513,298	447,721
Cardiovascular | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	105,600	72,635	198,514	159,710
Cardiovascular | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	85,653	66,005	160,390	138,596
Cardiovascular | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	48,636	45,319	94,057	92,940
Cardiovascular | OEM
Disaggregation of Revenue [Line Items]
Net sales	32,403	28,218	60,337	56,475
Cardiovascular | United States
Disaggregation of Revenue [Line Items]
Net sales	151,264	112,302	285,163	245,780
Cardiovascular | United States | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	63,235	42,614	120,101	98,416
Cardiovascular | United States | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	33,217	22,698	62,468	51,293
Cardiovascular | United States | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	27,392	23,383	52,284	48,797
Cardiovascular | United States | OEM
Disaggregation of Revenue [Line Items]
Net sales	27,420	23,607	50,310	47,274
Cardiovascular | International
Disaggregation of Revenue [Line Items]
Net sales	121,028	99,875	228,135	201,941
Cardiovascular | International | Peripheral Intervention
Disaggregation of Revenue [Line Items]
Net sales	42,365	30,021	78,413	61,294
Cardiovascular | International | Cardiac Intervention
Disaggregation of Revenue [Line Items]
Net sales	52,436	43,307	97,922	87,303
Cardiovascular | International | Custom Procedural Solutions
Disaggregation of Revenue [Line Items]
Net sales	21,244	21,936	41,773	44,143
Cardiovascular | International | OEM
Disaggregation of Revenue [Line Items]
Net sales	4,983	4,611	10,027	9,201
Endoscopy
Disaggregation of Revenue [Line Items]
Net sales	8,033	6,194	15,940	14,175
Endoscopy | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	8,033	6,194	15,940	14,175
Endoscopy | United States | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	7,507	5,838	14,980	13,416
Endoscopy | International | Endoscopy Devices
Disaggregation of Revenue [Line Items]
Net sales	$ 526	$ 356	$ 960	$ 759