Goodwill and Intangibles - Intangible Assets and Accumulated Amortization Balances (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 199,722	$ 200,235
Accumulated Amortization	(139,347)	(132,556)
Net Carrying Amount	60,375	67,679
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	154,767	155,409
Accumulated Amortization	(126,626)	(122,657)
Net Carrying Amount	28,141	32,752
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	44,955	44,826
Accumulated Amortization	(12,721)	(9,899)
Net Carrying Amount	$ 32,234	$ 34,927