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Revenue Recognition - Summary of Disaggregates the Company's Revenues from Continuing Operations by Lease and Non Lease (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | $ 564,100 |  |
Total revenues |  | 831,842 | $ 635,665 | $ 534,591
Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 564,068 | 456,896 | 385,944
Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 58,642 | 33,009 | 27,503
Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 204,997 | 144,415 | 119,853
Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 4,135 | 1,345 | 1,291
Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 267,774 | 178,769 | 148,647
Mobile Modular [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenues |  | 562,236 | 379,211 | 301,365
Mobile Modular [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 367,753 | 267,779 | 223,383
Mobile Modular [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 36,734 | 14,348 | 13,091
Mobile Modular [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 155,267 | 97,045 | 64,809
Mobile Modular [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 2,482 | 39 | 82
Mobile Modular [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 194,483 | 111,432 | 77,982
Portable Storage [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenues |  | 101,137 | 82,506 | 61,951
Portable Storage [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 77,181 | 63,422 | 45,792
Portable Storage [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 19,250 | 16,082 | 11,943
Portable Storage [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 4,587 | 2,933 | 4,175
Portable Storage [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 119 | 69 | 41
Portable Storage [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 23,956 | 19,084 | 16,159
TRS-RenTelco [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenues |  | 148,277 | 150,778 | 140,194
TRS-RenTelco [Member] | Leasing [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Leasing revenues |  | 119,134 | 125,695 | 116,769
TRS-RenTelco [Member] | Non-lease Rental Related Services [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 2,658 | 2,579 | 2,469
TRS-RenTelco [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 24,951 | 21,267 | 19,788
TRS-RenTelco [Member] | Non-lease Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 1,534 | 1,237 | 1,168
TRS-RenTelco [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 29,143 | 25,083 | 23,425
Enviroplex [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total revenues | [1] | 20,192 | 23,170 | 31,081
Enviroplex [Member] | Non-lease Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | 20,192 | 23,170 | 31,081
Enviroplex [Member] | Non-lease Revenues [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Total non-lease revenues |  | $ 20,192 | $ 23,170 | $ 31,081
[1] | Gross Enviroplex sales revenues were $22,615, $24,162 and $32,095 in 2022, 2021 and 2020, respectively. There were $2,422, $992 and $969 inter-segment sales to Mobile Modular in 2023, 2022 and 2021, respectively, which have been eliminated in consolidation.

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