XML 35 R23.htm IDEA: XBRL DOCUMENT

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

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
Liquid and solid containment tanks and boxes and accessories		3 to 20 years, no residual value

Property, plant and equipment consist of the following:

(dollar amounts in thousands)	Estimated useful life		December 31,
	in years		2021			2020
Land	Indefinite		$	54,428		$	54,429
Land improvements	20 – 50			59,633			59,249
Buildings		30		33,781			32,306
Furniture, office equipment and software	3 – 10			37,965			36,882
Vehicles and machinery	5 – 25			44,560			43,101
				230,367			225,967
Less: accumulated depreciation				(98,333	)		(91,514	)
				132,034			134,453
Construction in progress				3,291			1,757
			$	135,325		$	136,210

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

(in thousands)	Year Ended December 31,
	2021		2020		2019
Weighted-average common stock for calculating basic earnings per share		24,220		24,157		24,250
Effect of potentially dilutive securities from equity-based compensation		295		374		373
Weighted-average common stock for calculating diluted earnings per share		24,515		24,531		24,623

The allowance for doubtful accounts activity was as follows:

(in thousands)	2021			2020
Beginning balance, January 1	$	2,100		$	1,883
Provision for doubtful accounts		451			1,343
Acquired Design Space Reserve (see Note 13)		125			—
Write-offs, net of recoveries		(551	)		(1,126	)
Ending balance, December 31	$	2,125		$	2,100