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Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and Cash Equivalents, at Carrying Value | $ 51,540 | $ 50,817
Level 1 [Member] | Fair Value, Recurring [Member] | Money Market Funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and Cash Equivalents, at Carrying Value | 51,248 | 6,506
Estimated Fair Value | 51,248 | 6,506
Level 2 [Member] | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
U.S. Treasury securities, Gross unrealized gains | 6 | 228
Gross unrealized losses | (52) | (8)
Level 2 [Member] | Fair Value, Recurring [Member] | Money Market Funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash And Cash Equivalents Gross Unrealized Gains | 0 | 0
Cash and Cash Equivalents Gross Unrealized Losses | 0 | 0
Level 2 [Member] | Fair Value, Recurring [Member] | U.S. Treasury Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and Cash Equivalents, at Carrying Value | 0 | 42,382
Cash And Cash Equivalents Gross Unrealized Gains | 0 | 5
Cash and Cash Equivalents Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 0 | 42,387
Level 2 [Member] | Fair Value, Recurring [Member] | U.S. Treasury Securities [Member] | Short-Term Investments [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
U.S. Treasury securities, Amortized Cost | 188,636 | 262,990
U.S. Treasury securities, Gross unrealized gains | 6 | 223
Gross unrealized losses | (52) | (8)
U.S. Treasury securities, Fair Value | 188,590 | 263,205
Level 1 And Level 2 [Member] | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Amortized Cost | 239,884 | 311,878
Total Fair Value | $ 239,838 | $ 312,098

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