Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets
Cash	$ 739	$ 1,167
Accounts receivable, net of allowance for doubtful accounts of $2,047 in 2015 and $2,038 in 2014	93,974	101,294
Rental equipment, at cost:
Relocatable modular buildings	699,781	664,340
Electronic test equipment	269,668	261,995
Liquid and solid containment tanks and boxes	307,795	303,303
Rental equipment, gross	1,277,244	1,229,638
Less accumulated depreciation	(420,755)	(403,888)
Rental equipment, net	856,489	825,750
Property, plant and equipment, net	110,422	108,628
Prepaid expenses and other assets	33,417	41,424
Intangible assets, net	9,901	10,336
Goodwill	27,808	27,808
Total assets	1,132,750	1,116,407
Liabilities:
Notes payable	337,177	322,478
Accounts payable and accrued liabilities	76,636	71,357
Deferred income	29,726	29,139
Deferred income taxes, net	262,388	268,902
Total liabilities	705,927	691,876
Shareholders’ equity:
Common stock, no par value - Authorized - 40,000 shares Issued and outstanding - 26,106 shares as of June 30, 2015 and 26,051 shares as of December 31, 2014	109,232	106,469
Retained earnings	317,620	318,164
Accumulated other comprehensive loss	(29)	(102)
Total shareholders’ equity	426,823	424,531
Total liabilities and shareholders’ equity	$ 1,132,750	$ 1,116,407