Property and Equipment and Software and Content Development Costs (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 157,534	$ 172,387
Less: accumulated depreciation	(65,608)	(73,698)
Property and equipment, net	91,926	98,689
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,548	9,548
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 61,284	61,284
Property and equipment, estimated useful life (years)	39 years
Building improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 12,112	11,720
Building improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	4 years
Building improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	20 years
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,448	2,646
Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	1 year
Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	5 years
Computer hardware [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 36,632	50,064
Computer hardware [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	1 year
Computer hardware [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	5 years
Computer software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 20,455	21,982
Computer software [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	1 year
Computer software [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	5 years
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0	1,611
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,849	3,187
Furniture and fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	1 year
Furniture and fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life (years)	7 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10,206	$ 10,345

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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