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v3.20.2

Short-term borrowings (Details) - CNY (¥) ¥ in Thousands |  |  | 6 Months Ended
--- | --- | --- | ---
Dec. 12, 2018 | Jun. 25, 2018 | Jun. 30, 2020 | Dec. 31, 2019 | Jun. 30, 2019
Zai Lab (Suzhou) Co., Ltd |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Facility agreement expiration period |  | 3 years |  |  |
Facility agreement amount |  | ¥ 25,000 |  |  |
Facility agreement, Outstanding amount |  |  | ¥ 25,000 |  |
Facility agreement, Expiration year |  |  | 2020 |  |
Short-term borrowing, average interest rate |  | 4.785% |  |  |
Facility agreement, loan drawn down amount |  |  | ¥ 0 | ¥ 25,000 | ¥ 5,000
Facility agreement, Repayment of outstanding amount |  |  | 0 | ¥ 20,000 | 5,000
Zai Biopharmaceutical (Suzhou) Co., Ltd |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Facility agreement expiration period | 3 years |  |  |  |
Facility agreement amount | ¥ 40,000 |  |  |  |
Facility agreement, Outstanding amount |  |  | ¥ 5,000 |  |
Facility agreement, Expiration year |  |  | 2020 |  |
Short-term borrowing, average interest rate | 4.785% |  |  |  |
Facility agreement, loan drawn down amount |  |  |  |  | ¥ 15,000
Facility agreement, Repayment of outstanding amount |  |  | ¥ 15,000 |  |

X
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + Details
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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. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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