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Debt and equity issuance costs.

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Notes Payable, Long-Term Borrowing, and Convertible Notes - Narrative (Details)				12 Months Ended
	Feb. 26, 2021 USD ($)	Feb. 02, 2021 USD ($) d $ / shares	Feb. 02, 2021 USD ($) $ / shares	Dec. 31, 2022 USD ($) segment d	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Apr. 21, 2020 USD ($)	Oct. 01, 2018 USD ($)	Apr. 30, 2018 USD ($)
Short-Term Debt [Line Items]
Amortization of debt discount				$ 2,476,000	$ 14,928,000	$ 12,327,000
Molotov acquisition
Short-Term Debt [Line Items]
Repayments of debt				1,700,000
Business acquisition, notes assumed				3,700,000
Long-term borrowings - current portion				$ 2,000,000
Molotov acquisition \| Minimum
Short-Term Debt [Line Items]
Debt interest rate				0.25%
Molotov acquisition \| Maximum
Short-Term Debt [Line Items]
Debt interest rate				2.25%
BPi France
Short-Term Debt [Line Items]
Debt instrument, face amount							$ 4,700,000
Repayments of debt	$ 4,700,000
Evolution AI Corporation EAI \| Note payable
Short-Term Debt [Line Items]
Debt instrument, face amount								$ 2,700,000
Debt interest rate								10.00%
Interest payable				$ 2,700,000
Evolution AI Corporation EAI \| Interest and Penalties
Short-Term Debt [Line Items]
Debt instrument, periodic payment				$ 5,700,000
Secured Debt \| AMC Networks Ventures LLC
Short-Term Debt [Line Items]
Debt instrument, face amount									$ 25,000,000
Repayments of debt					$ 20,000,000
Secured Debt \| London Interbank Offered Rate
Short-Term Debt [Line Items]
Debt interest rate									5.25%
Chief Executive Officer
Short-Term Debt [Line Items]
Debt interest rate				4.00%
Debt instrument, periodic payment				$ 37,000
Notes payable				30,000
2026 Convertible Notes
Short-Term Debt [Line Items]
Convertible notes payable		$ 402,500,000	$ 402,500,000
Debt instrument, convertible, conversion price (in usd per share) \| $ / shares		$ 57.78	$ 57.78
Threshold trading days \| d		20
Threshold consecutive trading days \| d		30
Threshold percentage of stock price trigger		130.00%
Debt instrument, redemption price, percentage		100.00%
Debt instrument, interest rate, effective percentage		8.67%	8.67%
Amortization of debt discount		$ 90,900,000		2,500,000
Debt and equity issuance costs		13,100,000	$ 13,100,000
Payment for stock issuance cost			3,000,000
Debt issuance costs, net		$ 10,100,000	$ 10,100,000
Interest expense				13,400,000
Debt instrument, unamortized discount (premium), net				394,100,000
Unamortized debt discount and issuance costs				$ 8,400,000
Debt interest rate				3.25%	3.25%
2026 Convertible Notes \| Debt Instrument, Redemption, Period One
Short-Term Debt [Line Items]
Threshold trading days \| d				20
Threshold consecutive trading days \| d				30
Threshold percentage of stock price trigger				130.00%
2026 Convertible Notes \| Debt Instrument, Redemption, Period Two
Short-Term Debt [Line Items]
Threshold trading days \| segment				5
Threshold consecutive trading days \| segment				5
Maximum percentage of product of sales price and conversion rate				98.00%
2026 Convertible Notes \| Significant other observable inputs (Level 2)
Short-Term Debt [Line Items]
Convertible debt				$ 183,100,000