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Related Party Transactions (Details) - USD ($) $ in Thousands		1 Months Ended		10 Months Ended	12 Months Ended
	Oct. 20, 2020	Jul. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 05, 2021	Dec. 29, 2019	Aug. 31, 2019	Jul. 26, 2018	Aug. 31, 2017	Jul. 31, 2013
Related Party Transactions (Details) [Line Items]
Income (Loss) from Equity Method Investments					$ 2	$ 0	$ 227
Proceeds from Issuance of Long-term Debt					0	27,356	0
Paid-in-Kind Interest					$ 4,366	1,725	0
4.25% Convertible Senior Notes (due 2018) [Member]
Related Party Transactions (Details) [Line Items]
Debt Instrument, Face Amount											$ 8,000	$ 21,600	$ 100,000
Debt Instrument, Interest Rate, Stated Percentage												4.25%	4.25%
Debt Conversion, Converted Instrument, Amount		$ 8,000
Debt Instrument, Interest Rate, Stated Percentage, Paid In Cash											3.25%
Debt Instrument, Interest Rate, Stated Percentage, Paid In Stock											5.00%
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind											2.75%
Benefit Street Partners [Member]
Related Party Transactions (Details) [Line Items]
Debt Instrument, Face Amount								$ 11,000
Secured Debt [Member] \| New Term Loan Agreement [Member]
Related Party Transactions (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										10.50%
Debt Instrument, Interest Rate, Stated Percentage, Paid In Cash										8.00%
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind										2.50%
Paid-in-Kind Interest	$ 300
Owner Of Nant Works [Member] \| JAKKS Pacific [Member]
Related Party Transactions (Details) [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners									5.00%
Former Director [Member]
Related Party Transactions (Details) [Line Items]
Legal Fees						1,500	1,300
Accrued Professional Fees						100
Joint Venture With Meisheng Cultural & Creative Corp. [Member]
Related Party Transactions (Details) [Line Items]
Equity Method Investment, Ownership Percentage					51.00%
Income (Loss) from Equity Method Investments					$ 130	169	(57)
Joint Venture With Hong Kong Meisheng Cultural Company Limited [Member]
Related Party Transactions (Details) [Line Items]
Equity Method Investment, Ownership Percentage					50.00%
Income (Loss) from Equity Method Investments
Joint Venture With Hong Kong Meisheng Cultural Company Limited [Member] \| JAKKS Pacific [Member]
Related Party Transactions (Details) [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					9.20%
Hong Kong Affiliate [Member]
Related Party Transactions (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)			366,089
Share-Based Compensation Arrangement By Share-Based Payment Award, Value Of Shares Authorized			$ 19,300
Hong Kong Meisheng Cultural Company Limited [Member] \| Inventory Related Payments [Member]
Related Party Transactions (Details) [Line Items]
Related Party Transaction, Amounts of Transaction					$ 64,800	94,300	$ 36,200
Due to Related Parties					10,100	$ 18,100
Benefit Street Partners [Member] \| Secured Debt [Member] \| New Term Loan Agreement [Member]
Related Party Transactions (Details) [Line Items]
Proceeds from Issuance of Long-term Debt					61,100
Paid-in-Kind Interest					2,300
Axar Capital Management [Member] \| Secured Debt [Member] \| New Term Loan Agreement [Member]
Related Party Transactions (Details) [Line Items]
Proceeds from Issuance of Long-term Debt					24,300
Paid-in-Kind Interest					$ 900
Share-based Payment Arrangement, Nonemployee [Member] \| Restricted Stock [Member]
Related Party Transactions (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in Shares)				1,332		5,471	4,158
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture				$ 100		$ 100	$ 100