Leases - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Mar. 31, 2020	Jan. 01, 2019
Lessee Lease Description [Line Items]
Operating lease assets	$ 5,798		$ 4,840		$ 20,200
Operating lease liabilities			5,038		$ 20,500
Operating Lease, Liability, Statement of Financial Position [Extensible List]					us-gaap:OtherLiabilitiesMember
Increase in finance lease liability	8,000
Increase in finance lease asset	8,000
Rent expenses		$ 4,500
Finance leases	$ 20,207		20,552
Finance lease, liability			$ 22,848
Contract Manufacturing and Supply Agreement ("CMSA") [Member] | Wittenstein [Member] | FITBONE [Member]
Lessee Lease Description [Line Items]
Consideration to be paid upon conditions met in relation to prompt delivery of manufactured products				$ 2,000
Goodwill				2 years
Finance leases				$ 1,900
Finance lease, liability				$ 1,900