Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of intangible assets	$ 1,600	$ 2,400
Impairment loss on operating lease asset	1,400	1,500
Impairment of equity method investment	0		$ 0	$ 3,500
Investments in privately held companies	12,000		12,000			$ 12,000
Impairment of property and equipment	1,300		1,300	359
Long-term notes receivable	1,900		1,900			2,200
Allowance for expected credit losses	1,107	$ 757	1,107	757	$ 932	730	$ 670
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	20,500		20,500			36,900
Accrued expenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability, current	$ 37,000		$ 37,000			$ 18,800