Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Amortizable Intangible Assets - Summary of Significant Classes of Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Cost $ 62,717 $ 64,444
Accumulated Amortization (55,617) (53,180)
Net 7,100 11,264
Customer Lists and Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 23,833 24,673
Accumulated Amortization (21,823) (21,798)
Net 2,010 2,875
Domain and Brand Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 20,332 21,358
Accumulated Amortization (17,727) (16,758)
Net 2,605 4,600
Favorable and Assigned Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,188 2,256
Accumulated Amortization (1,920) (1,953)
Net 268 303
Subscriber Base and Lists [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 9,886 9,672
Accumulated Amortization (8,251) (7,198)
Net 1,635 2,474
Author Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,771 2,771
Accumulated Amortization (2,609) (2,454)
Net 162 317
Non-Compete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,041 2,048
Accumulated Amortization (1,798) (1,641)
Net 243 407
Other Amortizable Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 1,666 1,666
Accumulated Amortization (1,489) (1,378)
Net $ 177 $ 288