Senior Secured Term Loan Facilities - Additional Information (Detail) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
Apr. 30, 2023 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Aug. 29, 2025 |
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| Debt Instrument [Line Items] | |||||
| Term loan | $ 75.0 | ||||
| Paid to the Lenders | 80.9 | ||||
| Outstanding interest amount | $ 0.4 | ||||
| Premium and fees | $ 5.5 | ||||
| Debt Financing Agreement [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Interest rate per annum | 14.00% | ||||
| Maturity date | May 08, 2026 | ||||
| Repayment description | The Initial Term Loan would mature on May 8, 2026. The Initial Term Loan was subject to amortization payments. The Company was permitted to prepay the Initial Term Loan from time to time, in whole or in part, subject to payment of a make-whole amount equal to the unpaid principal amount of the portion of the Initial Term Loan being repaid or prepaid, plus accrued and unpaid interest of the portion of the Initial Term Loan being repaid or prepaid, plus an amount equal to the remaining scheduled interest payments due on such portion of the Initial Term Loan being repaid or prepaid as if such Initial Term Loan were to remain outstanding until the scheduled maturity date. | ||||
| Initial Term Loan [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Interest rate per annum | 16.13% | 16.13% | |||
| Initial Term Loan [Member] | Debt Financing Agreement [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Term loan | $ 74.1 | ||||
| Initial term loan amount | 75.0 | ||||
| Issuance cost | $ 0.9 | ||||
| FibroGen International [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Interest expense | $ 3.0 | $ 5.9 | |||
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- Definition Interest Expense, Term Loan No definition available.
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- Definition Repayment description. No definition available.
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the fee that accompanies borrowing money under the debt instrument. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The average effective interest rate during the reporting period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of all premiums and other types of receivables due from other persons or entities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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