Assets Segments (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	$ 710,053	$ 713,404
Intangibles, net	50,629	51,185
Rental fleet, net	960,177	966,223
Storage Solutions
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	528,837	532,188
Intangibles, net	3,453	2,774
Rental fleet, net	826,718	833,860
Storage Solutions \| North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	474,809	474,622
Intangibles, net	3,234	2,518
Rental fleet, net	691,995	689,424
Storage Solutions \| United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	54,028	57,566
Intangibles, net	219	256
Rental fleet, net	134,723	144,436
Tank & Pump Solutions Segment
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	181,216	181,216
Intangibles, net	47,176	48,411
Rental fleet, net	$ 133,459	$ 132,363

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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