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v3.20.2

Related Party Transactions (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 31, 2018 | Mar. 31, 2017 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | 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 |  |  | $ 0 | $ 0 | $ 2,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  | 0 | 27,356,000 |  |  |  |  |  |  |  |  |  |  |
Paid-in-Kind Interest |  |  |  |  | 3,370,000 | 624,000 |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  | 4,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  | 700,000 |  | 1,300,000 |  |  |  |  |  |  |  |  |  |  |
Accrued Professional Fees |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |
Nant Works [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable, Related Parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable, Related Parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nant Works [Member] | Renewal Fee [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  |  |  |  |  |  |  |  |  | $ 200,000 | $ 200,000 | $ 1,200,000 |  |  |  |  |
Payment to Related Parties |  |  |  |  |  |  |  |  |  |  |  | $ 800,000 |  |  |  |  |
Joint Venture With Meisheng Cultural & Creative Corp. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 51.00% |  | 51.00% |  |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Equity Method Investments |  |  | $ 49,000 | (31,000) | $ 97,000 | 57,000 |  |  |  |  |  |  |  |  |  |  |
Joint Venture With Hong Kong Meisheng Cultural Company Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 50.00% |  | 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 |  |  | 10.00% |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  | $ 31,400,000 | $ 49,600,000 | $ 54,400,000 | $ 74,800,000 |  |  |  |  |  |  |  |  |  |  |
Due to Related Parties |  |  | $ 22,100,000 |  | 22,100,000 |  |  | $ 18,100,000 |  |  |  |  |  |  |  |  |
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 |  |  |  |  | 68,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Paid-in-Kind Interest |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  | 27,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Paid-in-Kind Interest |  |  |  |  | $ 800,000 |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |

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