Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Oct. 11, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of intangible assets		$ 18,100	$ 1,600	$ 20,500
Impairment loss on operating lease asset			1,400	1,500
Impairment of equity method investment	$ 0		0	3,500
Investments in privately held companies	14,700		14,700			$ 12,000
Impairment of property and equipment			1,300	359
Allowance for expected credit losses	1,220	803	1,220	$ 803	$ 1,107	730	$ 757
Fusion Medical, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of equity method investment		$ 2,500
Ownership percentage		19.50%		19.50%
Selio
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term notes receivable	1,900		1,900			2,200
Allowance for expected credit losses	1,200		1,200			700
Ownership percentage								19.50%
Director | Cianna Medical
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent payments related to acquisition			0	$ 800
Other long-term obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability, noncurrent	13,200		13,200			36,900
Accrued expenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability, current	$ 35,300		$ 35,300			$ 18,800