Quarterly report pursuant to Section 13 or 15(d)

Amortizable Intangible Assets - Summary of Significant Classes of Amortizable Intangible Assets (Detail)

v3.22.1
Amortizable Intangible Assets - Summary of Significant Classes of Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]    
Cost $ 60,554 $ 60,554
Accumulated Amortization (58,444) (58,110)
Net 2,110 2,444
Customer Lists and Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 23,700 23,700
Accumulated Amortization (22,404) (22,198)
Net 1,296 1,502
Domain and Brand Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 19,875 19,875
Accumulated Amortization (19,502) (19,421)
Net 373 454
Favorable and Assigned Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,188 2,188
Accumulated Amortization (1,964) (1,960)
Net 224 228
Subscriber Base and Lists [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 8,647 8,647
Accumulated Amortization (8,430) (8,387)
Net 217 260
Author Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,771 2,771
Accumulated Amortization (2,771) (2,771)
Net 0 0
Non-Compete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,041 2,041
Accumulated Amortization (2,041) (2,041)
Net 0 0
Other Amortizable Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 1,332 1,332
Accumulated Amortization (1,332) (1,332)
Net $ 0 $ 0