Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Cash	$ 1,603	$ 1,491
Accounts receivable, net of allowance for credit losses of $2,125 in 2022 and 2021	151,564	159,499
Rental equipment, at cost:
Relocatable modular buildings	1,059,030	1,040,094
Electronic test equipment	378,766	361,391
Liquid and solid containment tanks and boxes	308,790	309,908
Rental equipment, gross	1,746,586	1,711,393
Less: accumulated depreciation	(663,631)	(646,169)
Rental equipment, net	1,082,955	1,065,224
Property, plant and equipment, net	138,515	135,325
Prepaid expenses and other assets	50,732	54,945
Intangible assets, net	45,566	47,049
Goodwill	132,305	132,393
Total assets	1,603,240	1,595,926
Liabilities:
Notes payable	423,974	426,451
Accounts payable and accrued liabilities	138,690	136,313
Deferred income	63,939	58,716
Deferred income taxes, net	238,749	242,425
Total liabilities	865,352	863,905
Shareholders’ equity:
Common stock, no par value - Authorized 40,000 shares Issued and outstanding - 24,335 shares as of March 31, 2022 and 24,260 shares as of December 31, 2021	106,765	108,610
Retained earnings	631,174	623,465
Accumulated other comprehensive loss	(51)	(54)
Total shareholders’ equity	737,888	732,021
Total liabilities and shareholders’ equity	$ 1,603,240	$ 1,595,926