Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total interest expense	$ 11,762	$ 19,495	$ 8,928
Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	2,600	2,113	2,516
Amortization of debt discount	0	10,428	5,405
Amortization of debt issuance costs	4,654	969	724
Total interest expense	7,254	13,510	8,645
2023 notes | Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	413	2,113	2,516
Amortization of debt discount	0	4,735	5,405
Amortization of debt issuance costs	189	623	724
Total interest expense	602	7,471	8,645
2025 notes | Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	0	0	0
Amortization of debt discount	0	5,693	0
Amortization of debt issuance costs	2,760	346	0
Total interest expense	2,760	6,039	0
2027 notes | Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	2,187	0	0
Amortization of debt discount	0	0	0
Amortization of debt issuance costs	1,705	0	0
Total interest expense	$ 3,892	$ 0	$ 0