Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash	$ 1,062	$ 1,103
Accounts receivable, net of allowance for doubtful accounts of $2,305 in 2016 and $2,087 in 2015	91,883	95,263
Income taxes receivable		11,000
Rental equipment, at cost:
Relocatable modular buildings	747,475	736,875
Electronic test equipment	260,324	262,945
Liquid and solid containment tanks and boxes	309,823	310,263
Rental equipment, gross	1,317,622	1,310,083
Less accumulated depreciation	(450,407)	(440,482)
Rental equipment, net	867,215	869,601
Property, plant and equipment, net	108,532	109,753
Prepaid expenses and other assets	26,607	28,556
Intangible assets, net	9,248	9,465
Goodwill	27,808	27,808
Total assets	1,132,355	1,152,549
Liabilities:
Notes payable	365,772	381,281
Accounts payable and accrued liabilities	64,045	71,942
Deferred income	36,824	36,288
Deferred income taxes, net	285,202	283,351
Total liabilities	751,843	772,862
Shareholders’ equity:
Common stock, no par value - Authorized 40,000 shares Issued and outstanding - 23,880 shares as of March 31, 2016 and 23,851 shares as of December 31, 2015	101,485	101,046
Retained earnings	279,152	278,708
Accumulated other comprehensive loss	(125)	(67)
Total shareholders’ equity	380,512	379,687
Total liabilities and shareholders’ equity	$ 1,132,355	$ 1,152,549