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Stock-Based Compensation - Summary of Stock Based Compensation for Employees and Non Employees (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | $ 23,477 | $ 24,281
BridgeBio Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 23,435 | 24,181
Other Subsidiaries Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 42 | 100
Research and Development Expense |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 11,779 | 8,557
Research and Development Expense | BridgeBio Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 11,737 | 8,486
Research and Development Expense | Other Subsidiaries Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 42 | 71
Selling, General and Administrative Expenses |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | 11,698 | 14,552
Selling, General and Administrative Expenses | BridgeBio Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation | $ 11,698 | 14,523
Selling, General and Administrative Expenses | Other Subsidiaries Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation |  | 29
Restructuring, Impairment and Related Charges |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation |  | 1,172
Restructuring, Impairment and Related Charges | BridgeBio Equity Plan |  |
Employee And Non Employee Service Share Based Compensation [Line Items] |  |
Total stock-based compensation |  | $ 1,172

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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