Orthotec Settlement - Additional Information (Details)				1 Months Ended				6 Months Ended
	Jul. 01, 2016 USD ($)	Oct. 01, 2014 USD ($)	Aug. 13, 2014 USD ($) installment	Oct. 31, 2020 USD ($) installment	Sep. 30, 2014 USD ($)	Apr. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Jun. 30, 2021 USD ($) installment
Loss Contingencies [Line Items]
Litigation settlement, remaining outstanding balance including interest								$ 0
Orthotec LLC, litigation settlement
Loss Contingencies [Line Items]
Judgment assessed by court for (against) company			$ 49,000,000.0
Payments of settlement						$ 15,750,000	$ 1,750,000	$ 47,200,000
Number of quarterly installments | installment			28					5
Litigation settlement interest, quarterly installments, amount			$ 1,100,000
Litigation settlement, final installment amount			700,000
Litigation settlement, remaining outstanding balance including interest								$ 10,600,000
Orthotec LLC, litigation settlement | HealthpointCapital, LLC
Loss Contingencies [Line Items]
Judgment assessed by court for (against) company				$ 5,000,000.0	$ 5,000,000.0
Payments of settlement	$ 1,000,000.0							1,100,000
Number of quarterly installments | installment				5
Contribution amount to be paid by other party				$ 5,000,000.0	$ 5,000,000.0
Remaining receivable								$ 1,800,000
Beginning Fourth Quarter of 2014 | Orthotec LLC, litigation settlement
Loss Contingencies [Line Items]
Litigation settlement, full amount to be paid in quarterly installments		$ 31,500,000
Litigation settlement interest, quarterly installments, amount			$ 1,100,000
Litigation settlement interest rate			7.00%
Litigation settlement payments, quarterly payment amount			$ 1,100,000
Final Installment | Orthotec LLC, litigation settlement
Loss Contingencies [Line Items]
Number of quarterly installments | installment			1