100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 100020 - Disclosure - Commitments and Contingencies - Schedule of Maturities of Operating Lease Liabilities (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100030 - Disclosure - Intangible Assets and Goodwill - Schedule of Intangibles Assets, Net (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 100060 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 100080 - Statement - CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100090 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Available-for-sale Securities link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Acquisition of Warp Drive link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Intangible Assets and Goodwill link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Sanofi Collaboration Agreement link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Redeemable Convertible Preferred Stock link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Common Stock link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Net Loss Per Share Attributable to Common Stockholders link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Related Party Relationships link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 100260 - Disclosure - Selected Quarterly Financial Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 100270 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 100280 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 100290 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 100300 - Disclosure - Available-for-sale Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 100310 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 100320 - Disclosure - Acquisition of Warp Drive (Tables) link:presentationLink link:calculationLink link:definitionLink 100330 - Disclosure - Intangible Assets and Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 100340 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 100350 - Disclosure - Redeemable Convertible Preferred Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 100360 - Disclosure - Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 100370 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 100380 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 100390 - Disclosure - Net Loss Per Share Attributable to Common Stockholders (Tables) link:presentationLink link:calculationLink link:definitionLink 100400 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Organization - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Summary of Significant Accounting Policies - Schedule of Useful Lives of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Available-for-sale Securities - Summary of Estimated Value of Available-for-sale Securities and Cash Equivalents and Gross Unrealized Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Available-for-sale Securities - Summary of Amortized Cost and Estimated Fair Value of Available-for-sale Securities and Cash Equivalents by Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Balance Sheet Components - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Balance Sheet Components - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Acquisition of Warp Drive - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Acquisition of Warp Drive - Summary of Purchase Price Consideration For Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Acquisition of Warp Drive - Summary of Fair Values of Assets Acquired and Liabilities Assumed at Acquisition Date (Details) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - Acquisition of Warp Drive - Summary of Proforma Financial Information of Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 100550 - Disclosure - Intangible Assets and Goodwill - Schedule of Intangibles Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100560 - Disclosure - Intangible Assets and Goodwill - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100570 - Disclosure - Intangible Assets and Goodwill - Schedule of Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Intangible Assets and Goodwill - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Commitment and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Commitments and Contingencies - Summary of Balance Sheet Classification of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Commitments and Contingencies - Schedule of Maturities of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Sanofi Collaboration Agreement - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Redeemable Convertible Preferred Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Common Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Common Stock - Schedule of Common Stock for Future Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Stock-Based Compensation - Summary of Option Activity Under the Plan (Details) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Summary of Fair Value of Stock Option Awards Estimated at Date of Grant (Details) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Stock-Based Compensation - Summary of RSUs Activity Under the Plan (Details) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Stock-Based Compensation - Summary of Total Stock-Based Compensation Expense Related to Stock Options, RSUs and Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Income Taxes - Summary of Benefit from Income Taxes to Amount Computed by Applying Federal Statutory Rate to Loss Before Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Income Taxes - Summary of Categories that Give Rise to Significant Components of Deferred Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 100750 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Computation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders (Details) link:presentationLink link:calculationLink link:definitionLink 100760 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 100770 - Disclosure - Related Party Relationships - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100780 - Disclosure - Selected Quarterly Financial Data (Unaudited) - Summary of Quarterly Financial Data (Unaudited) (Details) link:presentationLink link:calculationLink link:definitionLink