v3.19.3.a.u2
Long-Term Debt - Schedule of Interest Expense Recognized Related to Convertible Notes (Details) - Convertible Senior Notes
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]  
Contractual interest expense $ 3,723
Amortization of debt issuance costs 433
Amortization of debt discount 17,364
Total $ 21,520