Property Plant and Equipment - Components of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 160,465	$ 162,552
Accumulated depreciation and amortization	(103,675)	(101,464)
Property, plant and equipment, net	56,790	61,088
Vehicles
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 42,080	46,496
Vehicles \| Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Vehicles \| Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 65,132	63,197
Computer equipment and software \| Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Computer equipment and software \| Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 28,703	28,593
Leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	2 years
Leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Office furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 21,004	20,786
Office furniture, fixtures and equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	2 years
Office furniture, fixtures and equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years
Construction in process
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 3,546	$ 3,480

APX Group Holdings, Inc. 10-Q