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Convertible Senior Notes and Related Transactions - Components of Debt (Details) - 2.00% Convertible Senior Notes Due 2024 - Senior notes - USD ($)
$ in Thousands
Jan. 29, 2022
Jan. 30, 2021
Liability component:    
Principal $ 300,000 $ 300,000
Unamortized debt discount (27,498) (38,623)
Unamortized issuance costs (1,907) (2,763)
Net carrying amount 270,595 258,614
Equity component, net $ 42,320 $ 42,320