Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Commitments [Line Items]
Legal costs	$ 14,822	$ 12,202
Settlement costs	9,975	12,825
Estimated returns	688	2,581
External commissions	2,141	1,722
Accrued clinical trials	651	1,076
Accrued rebates	886	142
Other	1,297	1,613
Total	30,460	$ 32,161
Department of Veterans' Affairs Office of the Inspector General's Investigation
Other Commitments [Line Items]
Settlement costs	$ 6,900