Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash	$ 852	$ 1,103
Accounts receivable, net of allowance for doubtful accounts of $2,087 in 2016 and 2015	96,877	95,017
Income taxes receivable		11,000
Rental equipment, at cost:
Relocatable modular buildings	769,190	736,875
Electronic test equipment	246,325	262,945
Liquid and solid containment tanks and boxes	308,542	310,263
Rental equipment, gross	1,324,057	1,310,083
Less accumulated depreciation	(467,686)	(440,482)
Rental equipment, net	856,371	869,601
Property, plant and equipment, net	112,190	109,753
Prepaid expenses and other assets	25,583	28,802
Intangible assets, net	8,595	9,465
Goodwill	27,808	27,808
Total assets	1,128,276	1,152,549
Liabilities:
Notes payable	326,266	381,281
Accounts payable and accrued liabilities	78,205	71,942
Deferred income	37,499	36,288
Deferred income taxes, net	292,019	283,351
Total liabilities	733,989	772,862
Commitments and contingencies (Note 7)
Shareholders’ equity:
Common stock, no par value — authorized 40,000 shares Issued and outstanding — 23,948 shares as of December 31, 2016 and 23,851 shares as of December 31, 2015	101,821	101,046
Retained earnings	292,521	278,708
Accumulated other comprehensive loss	(55)	(67)
Total shareholders’ equity	394,287	379,687
Total liabilities and shareholders’ equity	$ 1,128,276	$ 1,152,549