Accounting policies.

No definition available.

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- Definition

Number of advertisers represent more than five percent of trade receivables.

+ References

No definition available.

+ Details

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- Definition

Number of advertising customer represented more than five percent of revenue.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

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- Definition

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
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 20
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

+ Details

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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- Details

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- Details

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- Details

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The Company and Significant Accounting Policies - Concentrations of Credit Risk and Trade Receivables - Additional Information (Detail) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) Advertiser AdvertisingCustomer	Jun. 30, 2025 USD ($) AdvertisingCustomer	Jun. 30, 2026 USD ($) Advertiser AdvertisingCustomer	Jun. 30, 2025 USD ($) AdvertisingCustomer	Dec. 31, 2025 Advertiser
Accounting Policies [Line Items]
Number of advertisers represent more than five percent of trade receivables \| Advertiser	0		0		0
Number of advertising customer represented more than five percent of revenue \| AdvertisingCustomer	0	0	0	0
Estimated losses for bad debts	$ (0.6)	$ 0.7	$ 0.8	$ 0.5
Bad debts actually charged off	$ 0.1	$ 0.4	$ 0.2	$ 0.5
Customer Concentration Risk \| Trade Receivables \| Largest Advertiser One
Accounting Policies [Line Items]
Concentration risk percentage			21.00%
Customer Concentration Risk \| Trade Receivables \| Largest Advertiser Two
Accounting Policies [Line Items]
Concentration risk percentage			6.00%
Customer Concentration Risk \| Trade Receivables \| Largest Advertiser Three
Accounting Policies [Line Items]
Concentration risk percentage			5.00%
Customer Concentration Risk \| Revenue \| Largest Advertiser One
Accounting Policies [Line Items]
Concentration risk percentage	40.00%		38.00%
Customer Concentration Risk \| Revenue \| Largest Advertiser Two
Accounting Policies [Line Items]
Concentration risk percentage	5.00%		5.00%