XML 111 R87.htm IDEA: XBRL DOCUMENT v3.26.1

Redeemable Non-controlling Interests (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Redeemable Non-controlling Interests
Accretion to redeemable non-controlling interests	$ 9,087	$ 6,748	$ 12,802
Payments for repurchase	22,400	33,400
JM Tech
Redeemable Non-controlling Interests
Compensation costs recognized	$ 2,800	$ 4,600	$ 11,500

X

- Definition

The cash outflow during the period for redemption of redeemable noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479857/480-10-S50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479887/480-10-S45-3

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3A
-Subparagraph (24)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

+ Details

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

X

- Definition

Represents the amount of compensation expense recognized in the reporting period arising from arrangements involving redeemable noncontrolling interests, where the redemption value or settlement amount is contingent upon continued employment or service conditions of the noncontrolling interest holder.

+ References

No definition available.

+ Details

Name:	wb_CompensationCostRelatedToRedeemableNoncontrollingInterestArrangement
Namespace Prefix:	wb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of decrease to net income for accretion of redeemable non-controlling interests to its redemption value to derive net income apportioned to common stockholders.

+ References

No definition available.

+ Details

Name:	wb_RedeemableNoncontrollingInterestAccretionToRedemptionValueAdjustment
Namespace Prefix:	wb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_CounterpartyNameAxis=wb_TechCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: