Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

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

v3.19.3.a.u2
Goodwill and Intangible Assets - Classes of Intangible Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Cost   $ 159,887
Indefinite-lived intangible assets, cost $ 13,447  
Accumulated Amortization 29,784 19,858
Net 113,193 140,029
Total intangible assets, gross (excluding goodwill) 156,424  
Intangible assets, net 126,640 140,029
Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets, cost   14,559
Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Cost 3,679 3,675
Accumulated Amortization 3,679 3,042
Net $ 0 $ 633
Noncompete Agreements    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 24 months 24 months
Cost $ 27 $ 27
Accumulated Amortization 27 18
Net $ 0 $ 9
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 180 months 180 months
Cost $ 139,271 $ 141,626
Accumulated Amortization 26,078 16,798
Net $ 113,193 $ 124,828
Minimum | Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 12 months 12 months
Maximum | Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 24 months 24 months