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Leases - Summary of Operating Cost (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Leases [Abstract] |  |  |
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ 785 | $ 1,008
Right-of-use assets obtained in exchange for lease liabilities | $ 431 | 0 | 1,673
Right-of-use assets and lease liabilities extinguished upon termination of lease, net gain |  | 0 | 108
Short-term variable lease expenses |  | $ 52 | $ 202

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- Definition Gain (Loss) on Termination of Lease Net. + References No definition available. + Details
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- Definition Short-term variable lease expenses. + References No definition available. + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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