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Property and Equipment and Software and Content Development Costs (Tables)
 12 Months Ended
Dec. 31, 2022
Property and equipment [Member]  
Property, Plant and Equipment [Line Items]  
Schedule of Property and Equipment
Property and equipment consisted of the following as of:
Estimated
useful life
(years)		December 31,
(dollars in thousands)20222021
Land— $9,548 $9,548 
Building3961,284 61,284 
Building improvements
7 - 20
10,874 10,874 
Equipment
1 - 5
2,312 2,320 
Computer hardware
1 - 5
47,886 47,768 
Computer software
1 - 5
20,299 21,347 
Construction in progress— 3,500 2,135 
Furniture and fixtures
2 - 7
3,264 2,658 
Leasehold improvementsLesser of lease term or estimated useful life11,822 12,086 
Total property and equipment170,789 170,020 
Less: accumulated depreciation(63,363)(58,592)
Property and equipment, net$107,426 $111,428 
Software and content development  
Property, Plant and Equipment [Line Items]  
Schedule of Property and Equipment
Software and content development costs consisted of the following as of:
Estimated
useful life
(years)		December 31,
(dollars in thousands)20222021
Software development costs
3 - 7
$250,551 $196,337 
Content development costs
5
3,409 — 
Less: accumulated amortization(112,937)(74,960)
Software and content development costs, net
$141,023 $121,377