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Segment Reporting - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024 Segment Customer | Dec. 31, 2023 Customer | Dec. 31, 2022 Customer
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | Segment | 4 |  |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember |  |
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description | The Company's Chief Operating Decision Maker ("CODM") Joe Hanna, Chief Executive Officer, and management focus on several key measures to evaluate and assess each segment’s performance including rental, rental related services and sales revenue growth, segment profit, and income before provision for income taxes. |  |
Mobile Modular [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of modular units purchased | 18.00% | 30.00% | 30.00%
Customer Concentration Risk [Member] | Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of major customer | Customer | 0 | 0 | 0
Geographic Concentration Risk [Member] | Sales [Member] | Foreign Country Customers [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from customers | 2.00% | 3.00% | 4.00%
Vendor or Supplier [Member] | Sales [Member] | Portable Storage [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from customers | 0.00% | 0.00% | 0.00%
Vendor or Supplier [Member] | Sales [Member] | Enviroplex [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from customers | 0.00% | 0.00% | 0.00%
Vendor or Supplier [Member] | Sales [Member] | TRS-RenTelco [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from customers | 0.00% | 0.00% | 0.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
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