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Paid in kind interest rate.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Net number of non-option equity instruments granted to participants.

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Number of shares authorized for issuance under share-based payment arrangement.

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Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Related Party Transactions (Details) - USD ($)		1 Months Ended						2 Months Ended	3 Months Ended		10 Months Ended	12 Months Ended
Related Party Transactions (Details) - USD ($)	Oct. 20, 2020	Dec. 31, 2020	Nov. 30, 2020	Aug. 31, 2020	Jun. 30, 2020	Jul. 31, 2018	Mar. 31, 2017	Nov. 30, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Feb. 05, 2021	Aug. 31, 2019	Jul. 26, 2018	Aug. 31, 2017	Jul. 31, 2013
Related Party Transactions (Details) [Line Items]
Income (Loss) from Equity Method Investments									$ 0	$ 2,000
Debt Conversion, Converted Instrument, Amount		$ 1,000,000.0	$ 4,000,000.0	$ 1,000,000.0	$ 7,100,000			$ 2,000,000.0
Paid-in-Kind Interest		36,528	$ 138,248	$ 27,288	$ 200,000			$ 63,225	$ 925,000	1,155,000
4.25% Convertible Senior Notes (due 2018) [Member]
Related Party Transactions (Details) [Line Items]
Debt Instrument, Face Amount																$ 8,000,000.0	$ 21,600,000	$ 100,000,000.0
Debt Instrument, Interest Rate, Stated Percentage																	4.25%	4.25%
Debt Conversion, Converted Instrument, Amount						$ 8,000,000.0
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%
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	$ 300,000
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									$ 35,000	40,000
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									8.50%
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							$ 19,300,000
Hong Kong Meisheng Cultural Company Limited [Member] \| Inventory Related Payments [Member]
Related Party Transactions (Details) [Line Items]
Related Party Transaction, Amounts of Transaction									$ 7,500,000	$ 9,000,000.0
Due to Related Parties		$ 10,100,000							6,000,000.0
Benefit Street Partners [Member] \| Secured Debt [Member] \| New Term Loan Agreement [Member]
Related Party Transactions (Details) [Line Items]
Debt Instrument, Face Amount														$ 11,000,000.0
Proceeds from Issuance of Long-term Debt									90,100,000
Paid-in-Kind Interest									3,900,000
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
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											$ 100,000	$ 100,000	$ 100,000