Significant Accounting Policies (Schedule Of Operating Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Expenses [Line Items]
Amortization and impairment of content production assets	$ 8,911	$ 8,952
Amortization of WWE Network content delivery and technology assets	1,125	1,582
Amortization of right-of-use assets - finance leases of equipment	4,825	1,996
Depreciation on equipment used directly in revenue generating activities	136
Total depreciation and amortization included in operating expenses	12,731	12,530
Equipment [Member]
Operating Expenses [Line Items]
Amortization of right-of-use assets - finance leases of equipment	$ 2,559	$ 1,996