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Acquisitions - Summary of Estimated Identifiable Intangible Assets Acquired (Detail) - Funko Acquisition Holdings, L.L.C. [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Loungefly [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 12,605
Underground Toys Limited [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 6,500
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, estimated useful life	10 years
Customer Relationships [Member] | Loungefly [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 2,015
Customer Relationships [Member] | Underground Toys Limited [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 3,700
Licensor Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, estimated useful life	10 years
Licensor Relationships [Member] | Loungefly [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 8,590
Licensor Relationships [Member] | Underground Toys Limited [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 2,500
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, estimated useful life	10 years
Trade Name [Member] | Loungefly [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 2,000
Supplier Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, estimated useful life	2 years
Supplier Relationships [Member] | Underground Toys Limited [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible asset, fair value	$ 300

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- Definition

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+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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