Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

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	2023			2022
Land	Indefinite	$	75,143		$	61,487
Land improvements	20 – 50		65,931			65,451
Buildings	30		35,360			34,055
Furniture, office equipment and software	3 – 10		30,039			33,845
Vehicles and machinery	5 – 25		35,233			27,419
			241,706			222,257
Less: accumulated depreciation			(87,399	)		(84,447	)
			154,307			137,810
Construction in progress			14,807			903
		$	169,114		$	138,713

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,
	2023		2022		2021
Weighted-average common stock for calculating basic    earnings per share		24,469		24,353		24,220
Effect of potentially dilutive securities from equity-based    compensation		60		166		295
Weighted-average common stock for calculating diluted    earnings per share		24,529		24,519		24,515

Summary of Allowance for Credit loss Activity

The allowance for credit loss activity was as follows:

(in thousands)	2023			2022
Beginning balance, January 1	$	2,300		$	2,125
Provision for credit losses		2,633			837
Acquired reserve from Vesta Modular (see Note 4)		250			—
Derecognition of reserve from discontinued operations (see Note 5)		(450	)		—
Write-offs, net of recoveries		(1,932	)		(662	)
Ending balance, December 31	$	2,801		$	2,300