Convertible Senior Notes and Capped Call Transactions - Schedule of Interest Expense Incurred (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Amortization of issuance costs	$ 2,499	$ 1,340	$ 956
Amortization of debt discount	33,309	11,564	7,605
Total interest expense	37,533	14,629	9,999
Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Contractual interest expense	1,725	1,725	1,438
Amortization of issuance costs	2,499	1,340	956
Amortization of debt discount	$ 33,309	$ 11,564	$ 7,605