Fair Value Measurements - Fair Value of Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets:
Total available for sale investments	$ 50,456	$ 40,276
Recurring basis
Assets:
Total included in cash and cash equivalents	9,650	50,892
Total available for sale investments	50,456	40,276
Total assets measured at fair value on a recurring basis	60,106	91,168
Recurring basis \| Corporate debt securities
Assets:
Total included in cash and cash equivalents	474
Total available for sale investments	30,417	23,489
Recurring basis \| Commercial paper
Assets:
Total available for sale investments	393	313
Recurring basis \| U.S. treasury securities
Assets:
Total included in cash and cash equivalents		393
Total available for sale investments	14,892	16,474
Recurring basis \| U.S. government agencies
Assets:
Total available for sale investments	4,754
Recurring basis \| Money market fund
Assets:
Total included in cash and cash equivalents	9,176	50,499
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Assets:
Total included in cash and cash equivalents	9,176	50,892
Total available for sale investments	14,892	16,474
Total assets measured at fair value on a recurring basis	24,068	67,366
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) \| Corporate debt securities
Assets:
Total included in cash and cash equivalents	0
Total available for sale investments	0	0
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) \| Commercial paper
Assets:
Total available for sale investments	0	0
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) \| U.S. treasury securities
Assets:
Total included in cash and cash equivalents		393
Total available for sale investments	14,892	16,474
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) \| U.S. government agencies
Assets:
Total available for sale investments	0
Recurring basis \| Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) \| Money market fund
Assets:
Total included in cash and cash equivalents	9,176	50,499
Recurring basis \| Significant Other Observable Inputs (Level 2)
Assets:
Total included in cash and cash equivalents	474	0
Total available for sale investments	35,564	23,802
Total assets measured at fair value on a recurring basis	36,038	23,802
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Corporate debt securities
Assets:
Total included in cash and cash equivalents	474
Total available for sale investments	30,417	23,489
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Commercial paper
Assets:
Total available for sale investments	393	313
Recurring basis \| Significant Other Observable Inputs (Level 2) \| U.S. treasury securities
Assets:
Total included in cash and cash equivalents		0
Total available for sale investments	0	0
Recurring basis \| Significant Other Observable Inputs (Level 2) \| U.S. government agencies
Assets:
Total available for sale investments	4,754
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Money market fund
Assets:
Total included in cash and cash equivalents	0	0
Recurring basis \| Significant Unobservable Inputs (Level 3)
Assets:
Total included in cash and cash equivalents	0	0
Total available for sale investments	0	0
Total assets measured at fair value on a recurring basis	0	0
Recurring basis \| Significant Unobservable Inputs (Level 3) \| Corporate debt securities
Assets:
Total included in cash and cash equivalents	0
Total available for sale investments	0	0
Recurring basis \| Significant Unobservable Inputs (Level 3) \| Commercial paper
Assets:
Total available for sale investments	0	0
Recurring basis \| Significant Unobservable Inputs (Level 3) \| U.S. treasury securities
Assets:
Total included in cash and cash equivalents		0
Total available for sale investments	0	0
Recurring basis \| Significant Unobservable Inputs (Level 3) \| U.S. government agencies
Assets:
Total available for sale investments	0
Recurring basis \| Significant Unobservable Inputs (Level 3) \| Money market fund
Assets:
Total included in cash and cash equivalents	$ 0	$ 0