Property and Equipment - Schedule of Property and Equipment and Accumulated Depreciation and Amortization (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property and Equipment [Line Items]
Property and equipment, gross	$ 632,772	$ 546,467
Less: accumulated depreciation and amortization	(307,400)	(242,652)
Property and equipment, net	383,860	348,953
Software and Capitalized Software Costs [Member]
Property and Equipment [Line Items]
Property and equipment, gross	252,787	199,470
Buildings [Member]
Property and Equipment [Line Items]
Property and equipment, gross	177,550	172,807
Computer Equipment [Member]
Property and Equipment [Line Items]
Property and equipment, gross	123,068	102,509
Rental Clocks [Member]
Property and Equipment [Line Items]
Property and equipment, gross	34,302	30,313
Furniture, Fixtures and Equipment [Member]
Property and Equipment [Line Items]
Property and equipment, gross	28,160	24,971
Other [Member]
Property and Equipment [Line Items]
Property and equipment, gross	16,905	16,397
Property and Equipment, net, Excluding Land and Construction in Progress [Member]
Property and Equipment [Line Items]
Property and equipment, net	325,372	303,815
Construction in Progress [Member]
Property and Equipment [Line Items]
Property and equipment, net	24,692	11,342
Land [Member]
Property and Equipment [Line Items]
Property and equipment, net	$ 33,796	$ 33,796