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Condensed Consolidating Financial Statements - Additional Information (Details) | Jan. 21, 2020 USD ($) Debtinstrument
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Iterum Therapeutics Bermuda Limited |
Condensed Financial Statements Captions [Line Items] |
Ownership percentage | 100.00%
Subsidiary Guarantors |
Condensed Financial Statements Captions [Line Items] |
Ownership percentage | 100.00%
Private Placement | 2025 Exchangeable Notes |
Condensed Financial Statements Captions [Line Items] |
Aggregate principal amount | $ 51,600,000
Debt instrument price per unit | 1,000
Private Placement | RLNs |
Condensed Financial Statements Captions [Line Items] |
Aggregate principal amount | $ 100,000
Number of debt instruments within each notes | Debtinstrument | 50

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