Property and Equipment (Property, Plant, Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment	$ 546,940	$ 511,924
Accumulated depreciation and amortization	(344,906)	(286,133)
Property and equipment, net	202,034	225,791
Program, service and test equipment
Property, Plant and Equipment [Line Items]
Property and equipment	314,234	279,067
Satellite equipment
Property, Plant and Equipment [Line Items]
Property and equipment	40,051	41,134
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	12,490	13,933
Transmission equipment
Property, Plant and Equipment [Line Items]
Property and equipment	$ 30,169	30,925
Estimated Useful  Lives	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 149,996	$ 146,865
Minimum | Program, service and test equipment
Property, Plant and Equipment [Line Items]
Estimated Useful  Lives	2 years
Minimum | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful  Lives	3 years
Maximum | Program, service and test equipment
Property, Plant and Equipment [Line Items]
Estimated Useful  Lives	5 years
Maximum | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful  Lives	8 years