Related-Party Transactions - Additional Information (Details) - USD ($) |
9 Months Ended | 12 Months Ended |
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Sep. 30, 2019 |
Dec. 31, 2018 |
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Related Party Transaction [Line Items] | ||
Receivables from agreement | $ 7,531,000 | $ 2,489,000 |
SutroVax | ||
Related Party Transaction [Line Items] | ||
Receivables from agreement | $ 800,000 | $ 49,000 |
Percentage common stock ownership interest | 5.60% | 5.60% |
Carrying value of common stock under the cost method | $ 0 | $ 0 |
Sutro Biopharma | Celgene | Maximum [Member] | IPO | ||
Related Party Transaction [Line Items] | ||
Equity interest percentage | 10.00% | |
Sutro Biopharma | Merck | ||
Related Party Transaction [Line Items] | ||
Equity interest percentage | 11.80% | 11.90% |
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- Definition Carrying value of common stock. No definition available.
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- Definition Common stock ownership percentage. No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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