Annual report pursuant to Section 13 and 15(d)

Intangible Assets, Net - Summary of Intangible Assets (Detail)

v3.22.0.1
Intangible Assets, Net - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Indefinite-lived Intangible Assets [Line Items]        
Amortizing intangibles, Cost $ 552,037   $ 552,037 $ 23,681
Accumulated Amortization (40,737)   (40,737) (12,172)
Amortizing intangibles, Net 511,300   511,300 11,509
Total intangibles, Cost 730,037   730,037 29,103
Total intangibles, Net 602,900   602,900 16,931
Impairment (86,400) $ 0 (86,400) 0
Non Amortization Of Intangible Assets [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Total non-amortizing intangibles 178,000   178,000 5,422
Total intangibles, Net 91,600   91,600 5,422
Impairment     (86,400)  
Customer Lists [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortizing intangibles, Cost       12,754
Accumulated Amortization       (5,100)
Amortizing intangibles, Net       $ 7,654
Customer Lists [Member] | Maximum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       12 years
Customer Lists [Member] | Minimum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       5 years
Broker/customer relationships [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       10 years
Amortizing intangibles, Cost 541,100   541,100 $ 7,627
Accumulated Amortization (39,711)   (39,711) (5,429)
Amortizing intangibles, Net 501,389   $ 501,389 2,198
Broker/customer relationships [Member] | Maximum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)     15 years  
Broker/customer relationships [Member] | Minimum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)     8 years  
Trade name [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortizing intangibles, Cost       2,495
Accumulated Amortization       (1,487)
Amortizing intangibles, Net       $ 1,008
Trade name [Member] | Maximum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       20 years
Trade name [Member] | Minimum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       5 years
Technology assets [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)       5 years
Amortizing intangibles, Cost       $ 805
Accumulated Amortization       (156)
Amortizing intangibles, Net       649
Trade names and other [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortizing intangibles, Cost 10,937   $ 10,937  
Accumulated Amortization (1,026)   (1,026)  
Amortizing intangibles, Net 9,911   $ 9,911  
Trade names and other [Member] | Maximum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)     10 years  
Trade names and other [Member] | Minimum [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization Period (Years)     5 years  
Domain name [Member] | Non Amortization Of Intangible Assets [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Total non-amortizing intangibles       5,422
Total intangibles, Net       $ 5,422
Trade name [Member] | Non Amortization Of Intangible Assets [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Total non-amortizing intangibles 178,000   $ 178,000  
Total intangibles, Net $ 91,600   91,600  
Impairment     $ (86,400)