Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets
Cash	$ 694	$ 2,342
Accounts receivable, net of allowance for doubtful accounts of $2,200 in 2020 and $1,883 in 2019	125,940	128,099
Rental equipment, at cost:
Relocatable modular buildings	892,339	868,807
Electronic test equipment	337,987	335,343
Liquid and solid containment tanks and boxes	316,497	316,261
Rental equipment, gross	1,546,823	1,520,411
Less accumulated depreciation	(577,142)	(552,911)
Rental equipment, net	969,681	967,500
Property, plant and equipment, net	133,610	131,047
Prepaid expenses and other assets	46,997	45,356
Intangible assets, net	7,223	7,334
Goodwill	28,197	28,197
Total assets	1,312,342	1,309,875
Liabilities:
Notes payable	272,149	293,431
Accounts payable and accrued liabilities	116,825	109,174
Deferred income	60,779	54,964
Deferred income taxes, net	218,753	218,270
Total liabilities	668,506	675,839
Shareholders’ equity:
Common stock, no par value - Authorized 40,000 shares Issued and outstanding - 24,085 shares as of June 30, 2020 and 24,296 shares as of December 31, 2019	106,010	106,360
Retained earnings	537,775	527,746
Accumulated other comprehensive income (loss)	51	(70)
Total shareholders’ equity	643,836	634,036
Total liabilities and shareholders’ equity	$ 1,312,342	$ 1,309,875