Fair Value Measurements and Fair Value of Financial Instruments - Fair value (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Fair value on a recurring basis
Cash equivalents fair value	$ 42,000	$ 75,300
Unrealized Gains	93	233
Unrealized Losses	(17)	(3)
Level 2
Fair value on a recurring basis
Marketable securities	$ 93,100	82,800
Level 2 \| Minimum
Fair value on a recurring basis
Expected maturity term	15 days
Level 2 \| Maximum
Fair value on a recurring basis
Expected maturity term	16 months 24 days
Amortized cost
Fair value on a recurring basis
Cash equivalents fair value	$ 42,020	75,277
Total assets fair value	135,083	157,865
Amortized cost \| Level 1 \| Money market funds
Fair value on a recurring basis
Cash equivalents fair value	42,020	72,800
Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Cash equivalents fair value		2,477
Short-term
Fair value on a recurring basis
Unrealized Gains	70	189
Unrealized Losses	(17)	(3)
Short-term \| Level 2 \| Commercial paper
Fair value on a recurring basis
Unrealized Gains	1	25
Unrealized Losses	(7)	(1)
Short-term \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Unrealized Gains	0	7
Unrealized Losses	0	0
Short-term \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Unrealized Gains	51	123
Unrealized Losses	(8)	0
Short-term \| Level 2 \| Agency securities
Fair value on a recurring basis
Unrealized Gains	1	12
Unrealized Losses	(2)	(2)
Short-term \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Unrealized Gains	17	22
Unrealized Losses	0	0
Short-term \| Amortized cost
Fair value on a recurring basis
Marketable securities	83,027	75,224
Short-term \| Amortized cost \| Level 2 \| Commercial paper
Fair value on a recurring basis
Marketable securities	23,561	14,447
Short-term \| Amortized cost \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Marketable securities	3,968	6,909
Short-term \| Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	39,580	27,493
Short-term \| Amortized cost \| Level 2 \| Agency securities
Fair value on a recurring basis
Marketable securities	11,921	21,345
Short-term \| Amortized cost \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities	3,997	5,030
Long-term
Fair value on a recurring basis
Unrealized Gains	23	44
Unrealized Losses	0	0
Long-term \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Unrealized Gains	23	36
Unrealized Losses	0	0
Long-term \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Unrealized Gains		8
Unrealized Losses		0
Long-term \| Amortized cost
Fair value on a recurring basis
Marketable securities	10,036	7,364
Long-term \| Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	10,036	4,884
Long-term \| Amortized cost \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities		2,480
Recurring \| Estimated Fair Value
Fair value on a recurring basis
Cash equivalents fair value	42,020	75,277
Total assets fair value	135,159	158,095
Recurring \| Estimated Fair Value \| Level 1 \| Money market funds
Fair value on a recurring basis
Cash equivalents fair value	42,020	72,800
Recurring \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Cash equivalents fair value		2,477
Recurring \| Short-term \| Estimated Fair Value
Fair value on a recurring basis
Marketable securities	83,080	75,410
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Commercial paper
Fair value on a recurring basis
Marketable securities	23,555	14,471
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Marketable securities	3,968	6,916
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	39,623	27,616
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Agency securities
Fair value on a recurring basis
Marketable securities	11,920	21,355
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities	4,014	5,052
Recurring \| Long-term \| Estimated Fair Value
Fair value on a recurring basis
Marketable securities	10,059	7,408
Recurring \| Long-term \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	$ 10,059	4,920
Recurring \| Long-term \| Estimated Fair Value \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities		$ 2,488

Fair value portion of asset recognized for present right to economic benefit.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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.

+ References

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

+ Details

Name:	us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant