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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Joint Ventures (Details) $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended	12 Months Ended
Joint Ventures (Details) $ in Thousands, shares in Millions	Sep. 30, 2012 USD ($) shares	Sep. 30, 2017 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2017	Oct. 31, 2016	Nov. 30, 2014
Joint Ventures (Details) [Line Items]
Income (Loss) from Equity Method Investments			$ 2	$ 0	$ 227
Net Income (Loss) Attributable to Noncontrolling Interest			$ 130	169	(57)
Pacific Animation Partners Joint Venture [Member]
Joint Ventures (Details) [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Income (Loss) from Equity Method Investments			$ 2		22
Equity Method Investments
DreamPlay Toys [Member]
Joint Ventures (Details) [Line Items]
Payments to Acquire Interest in Joint Venture	$ 8,000
DreamPlay, LLC [Member]
Joint Ventures (Details) [Line Items]
Equity Method Investment, Ownership Percentage						5.00%
Number of Projects Completed						65
Payments to Acquire Interest in Joint Venture						$ 7,000
Other than Temporary Impairment Losses, Investments		$ 7,000
Joint Venture With Meisheng Cultural & Creative Corp. [Member]
Joint Ventures (Details) [Line Items]
Equity Method Investment, Ownership Percentage			51.00%						51.00%
Net Income (Loss) Attributable to Noncontrolling Interest			$ 130	$ 169	$ (57)
Technology Rights [Member] \| DreamPlay Toys [Member]
Joint Ventures (Details) [Line Items]
Other than Temporary Impairment Losses, Investments		$ 2,900
Nant Works [Member] \| DreamPlay Toys [Member]
Joint Ventures (Details) [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares	1.5
Cost Method Investments	$ 7,000
Hong Kong Meisheng Cultural Co [Member]
Joint Ventures (Details) [Line Items]
Equity Method Investment, Ownership Percentage								50.00%
Net Income (Loss) Attributable to Noncontrolling Interest
Hong Kong Meisheng Cultural Co [Member] \| Minimum [Member] \| JAKKS Pacific [Member]
Joint Ventures (Details) [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			9.20%				10.00%