Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Schedule of Changes in Net Carrying Amount of Finite-lived Intangible Assets (Detail)

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Goodwill and Other Intangible Assets - Schedule of Changes in Net Carrying Amount of Finite-lived Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Cost $ 973,401 $ 884,719
Accumulated Amortization (399,471) (279,955)
Net Carrying Amount 573,930 604,764
Internally Developed Software [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 31,567 24,480
Accumulated Amortization (8,064) (3,088)
Net Carrying Amount 23,503 21,392
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost [1] 919,349 846,181
Accumulated Amortization [1] (375,680) (272,029)
Net Carrying Amount [1] 543,669 574,152
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost [2] 22,485 14,058
Accumulated Amortization [2] (15,727) (4,838)
Net Carrying Amount [2] $ 6,758 $ 9,220
[1] (1) The increase in customer relationships for the year ended December 31, 2021 is due to the Company acquiring $68.8 million of
[2] related intangibles from the Crouse and Keystone acquisitions. The acquired customer relationships have a weighted average amortization period of 12 years. (2) The increase in trade names for the year ended December 31, 2021 is due to the Company acquiring $1.3 million of related intangibles from the Crouse and Keystone acquisitions. The acquired trade names have a weighted average amortization period of 3 years.