Stockholders' Equity and Stock-Based Compensation - Shares of Common Stock Outstanding and Reserved for Future Issuance (Details) shares in Thousands	Jun. 30, 2025 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	139,712
2021 Equity Incentive Plan:
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	89,465
2022 Inducement Plan:
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	6,811
RSUs and PRSUs \| 2011 Stock Plan:
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	551
RSUs and PRSUs \| 2021 Equity Incentive Plan:
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	24,759
RSUs and PRSUs \| 2021 Equity Incentive Plan: \| Executive Chairman
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation arrangement with individual, equity percentage	100.00%
RSUs and PRSUs \| 2021 Equity Incentive Plan: \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation arrangement with individual, equity percentage	100.00%
RSUs and PRSUs \| 2022 Inducement Plan:
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	2,412
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved for issuance (in shares)	15,714