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Fair Value Measurements - Schedule Of Changes In The Fair Value Of Warrant Liabilities (Parenthetical) (Details) $ in Millions | 5 Months Ended
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Mar. 31, 2021 USD ($)
Changes IN Fair Value Of Warrant Liabilities [Abstract] |
Fair value measurement with unobservable inputs reconciliation recurring basis liabilities transfers out of level 3 | $ 9.0

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- Definition Changes IN Fair Value Of Warrant Liabilities. + References No definition available. + Details
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Namespace Prefix: | bark_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration