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Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($) Customer	Sep. 30, 2024 Customer	Sep. 30, 2025 USD ($) DealerAccount Customer	Sep. 30, 2024 Customer	Dec. 31, 2024 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Description of significant off-balance sheet risk			The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements.
Sales Revenue, Net | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers	0	0	0	0
Net Accounts Receivable | Advertising Customers
Summary Of Significant Accounting Policies [Line Items]
Unbilled accounts receivable | $	$ 13,690		$ 13,690		$ 13,213
Net Accounts Receivable | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers			1		0
Net Accounts Receivable | Customer Concentration Risk | Payment Processor
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk, percentage			10.90%		10.00%
Number of dealer accounts | DealerAccount			1
Minimum | Net Accounts Receivable | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers			1,000		1,000
Number of dealer accounts | DealerAccount			100

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Description of financial instruments, excluding certain derivatives, with off-balance sheet credit risk (for example, standby letters of credit or financial guarantees), including (1) information about the (shared) activity, region or economic characteristic that identifies the concentration, (2) the face or contract amount of the instrument, (3) the nature and terms of the instrument, including the market risk, cash requirements and accounting policies for it, (4) the maximum amount of loss due to credit risk that would be incurred if the counterparties failed completely to perform according to the terms of the contracts, and any security or collateral that proved to be of no value, (5) the entity's policy of requiring collateral or other security to support financial instruments subject to credit risk, information about access to collateral or other security, and a brief description of the security supporting those financial instruments, and (6) the policy of entering into and a brief description of master netting arrangements to mitigate the credit risk, and the extent to which such arrangements would reduce the maximum amount of loss due to credit risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 825
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-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Section 50
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Subparagraph (b)
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Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

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