Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets
Cash	$ 1,680	$ 852
Accounts receivable, net of allowance for doubtful accounts of $2,087 in 2017 and 2016	92,552	96,877
Rental equipment, at cost:
Relocatable modular buildings	773,597	769,190
Electronic test equipment	248,291	246,325
Liquid and solid containment tanks and boxes	309,131	308,542
Rental equipment, gross	1,331,019	1,324,057
Less accumulated depreciation	(474,038)	(467,686)
Rental equipment, net	856,981	856,371
Property, plant and equipment, net	116,217	112,190
Prepaid expenses and other assets	27,119	25,583
Intangible assets, net	8,377	8,595
Goodwill	27,808	27,808
Total assets	1,130,734	1,128,276
Liabilities:
Notes payable	323,843	326,266
Accounts payable and accrued liabilities	78,811	78,205
Deferred income	39,887	37,499
Deferred income taxes, net	291,568	292,019
Total liabilities	734,109	733,989
Shareholders’ equity:
Common stock, no par value - Authorized 40,000 shares Issued and outstanding - 23,956 shares as of March 31, 2017 and 23,948 shares as of December 31, 2016	102,483	101,821
Retained earnings	294,250	292,521
Accumulated other comprehensive loss	(108)	(55)
Total shareholders’ equity	396,625	394,287
Total liabilities and shareholders’ equity	$ 1,130,734	$ 1,128,276