Property and Equipment - Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 429,652	$ 419,241
Accumulated depreciation and amortization	(219,591)	(214,981)
Total current assets	210,061	204,260	$ 176,263
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	156,952	161,943
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	109,639	98,228
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	56,051	54,110
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	40,738	40,700
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	28,077	26,065
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 38,195	$ 38,195