Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Classes of Intangible Assets (Detail)

v3.20.2
Goodwill and Intangible Assets - Classes of Intangible Assets (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Total cost of intangibles $ 156,818 $ 156,424
Accumulated Amortization 33,465 29,784
Finite-lived intangibles, net 109,906  
Intangible assets, net 123,353 126,640
Trade Name - Indefinite-lived    
Finite-Lived Intangible Assets [Line Items]    
Trade Name - Indefinite-lived 13,447 13,447
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Cost 143,371 139,271
Accumulated Amortization 33,465 26,078
Finite-lived intangibles, net $ 109,906 113,193
Trade Name - Indefinite-lived    
Finite-Lived Intangible Assets [Line Items]    
Cost   3,679
Accumulated Amortization   3,679
Finite-lived intangibles, net   $ 0
Non-Compete Agreement    
Finite-Lived Intangible Assets [Line Items]    
Amortization Period   24 months
Cost   $ 27
Accumulated Amortization   27
Finite-lived intangibles, net   $ 0
Minimum | Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Amortization Period 84 months  
Minimum | Trade Name - Indefinite-lived    
Finite-Lived Intangible Assets [Line Items]    
Amortization Period   12 months
Maximum | Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Amortization Period 180 months 180 months
Maximum | Trade Name - Indefinite-lived    
Finite-Lived Intangible Assets [Line Items]    
Amortization Period   24 months