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Summary of Significant Accounting Policies - Film costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Individual Monetization: |  |  |
Feature films in production | $ 1,707 | $ 0 |
Film, Monetized on Its Own, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of revenue, excluding depreciation and amortization | Cost of revenue, excluding depreciation and amortization | Cost of revenue, excluding depreciation and amortization
Amortized film costs | $ 3,200 | $ 8,400 | $ 7,100
Decrease in film costs | 700 | 1,500 |
Production tax credit receivable | $ 3,500 | $ 3,000 |

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- Definition Amount of amortization expense for capitalized film cost for film predominantly monetized on its own. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4A + Details
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- Definition Indicates line item in statement in which net income is reported that includes amortization expense for film cost of film predominantly monetized on its own. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-4A + Details
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- Definition Amount of capitalized film cost incurred in production of film predominantly monetized on its own. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-2 + Details
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- Definition Amount of increase (decrease) in direct negative costs incurred in the physical production of a film. Examples include, but are not limited to, costs of story and scenario, compensation, set construction and postproduction costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 230 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483170/926-230-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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