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Revenue Recognition - Summary of Disaggregates the Company's Revenue by Lease and Non Lease (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | $ 524,500 |  |
Total non-lease revenues |  | 155,177 | $ 128,759 | $ 128,371
Total revenues |  | 733,823 | 616,833 | 572,554
Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 524,499 | 442,598 | 401,923
Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 60,174 | 49,990 | 46,514
Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 147,348 | 122,781 | 122,447
Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 1,802 | 1,464 | 1,670
Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 209,324 | 174,235 | 170,631
Mobile Modular [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 101,578 | 70,417 | 65,278
Total revenues |  | 461,717 | 363,316 | 321,524
Mobile Modular [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 331,201 | 269,175 | 235,003
Mobile Modular [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 30,430 | 25,034 | 22,576
Mobile Modular [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 99,978 | 68,982 | 63,863
Mobile Modular [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 108 | 125 | 82
Mobile Modular [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 130,516 | 94,141 | 86,521
TRS-RenTelco [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 26,291 | 23,895 | 28,648
Total revenues |  | 150,778 | 140,194 | 140,811
TRS-RenTelco [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 125,695 | 116,769 | 112,210
TRS-RenTelco [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 2,579 | 2,469 | 2,618
TRS-RenTelco [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 21,267 | 19,788 | 24,461
TRS-RenTelco [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 1,237 | 1,168 | 1,522
TRS-RenTelco [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 25,083 | 23,425 | 28,601
Adler Tanks [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 4,138 | 3,366 | 1,708
Total revenues |  | 98,158 | 82,242 | 77,482
Adler Tanks [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 67,603 | 56,654 | 54,710
Adler Tanks [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 27,165 | 22,487 | 21,320
Adler Tanks [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 2,933 | 2,930 | 1,386
Adler Tanks [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 457 | 171 | 66
Adler Tanks [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 30,555 | 25,588 | 22,772
Enviroplex [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues | [1] | 23,170 | 31,081 | 32,737
Total revenues | [1] | 23,170 | 31,081 | 32,737
Enviroplex [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 23,170 | 31,081 | 32,737
Enviroplex [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | $ 23,170 | $ 31,081 | $ 32,737
[1] | Gross Enviroplex sales revenues were $24,162, $32,095 and $34,014 in 2022, 2021 and 2020, respectively. There were $992 and $1,014 inter-segment sales to Mobile Modular in 2022 and 2021, which have been eliminated in consolidation. There were no inter-segment sales in 2019.

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- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 + Details
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