Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Estimated Useful Lives and Residual Values of Company's Rental Equipment

The estimated useful lives and residual values of the Company’s rental equipment used for financial reporting purposes are as follows:

Relocatable modular buildings	18 years, 50% residual value
Relocatable modular accessories	3 to 18 years, no residual value
Blast resistant and kitchen modules	20 years, no residual value
Portable storage containers	25 years, 62.5% residual value
Electronic test equipment and accessories	1 to 8 years, no residual value

Property, Plant and Equipment from Continuing Operations

Property, plant and equipment from continuing operations consist of the following:

(dollar amounts in thousands)	Estimated useful life	December 31,
	in years	2024			2023
Land	Indefinite	$	88,605		$	75,143
Land improvements	20 – 50		77,221			65,931
Buildings	30		40,223			35,360
Furniture, office equipment and software	3 – 10		28,073			30,039
Vehicles and machinery	5 – 25		39,259			35,233
			273,381			241,706
Less: accumulated depreciation			(91,042	)		(87,399	)
			182,339			154,307
Construction in progress			15,100			14,807
		$	197,439		$	169,114

Weighted-Average Common Stock Used to Calculate Basic and Diluted Earnings per Share

The table below presents the weighted-average common stock used to calculate basic and diluted earnings per share:

(in thousands)	Year Ended December 31,
	2024		2023		2022
Weighted-average common stock for calculating basic    earnings per share		24,541		24,469		24,353
Effect of potentially dilutive securities from equity-based    compensation		29		60		166
Weighted-average common stock for calculating diluted    earnings per share		24,570		24,529		24,519

Summary of Allowance for Credit loss Activity

The allowance for credit loss activity was as follows:

(in thousands)	2024			2023
Beginning balance, January 1	$	2,801		$	2,300
Provision for credit losses		1,890			2,633
Acquired reserve from Vesta Modular (see Note 4)		—			250
Derecognition of reserve from discontinued operations (see Note 5)		—			(450	)
Write-offs, net of recoveries		(1,825	)		(1,932	)
Ending balance, December 31	$	2,866		$	2,801