CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets
Accounts receivable (owned fleet), net of allowance for doubtful accounts	$ 722	$ 819
Container rental equipment, net of accumulated depreciation	116,407	109,336
Furniture, fixtures and equipment, net of accumulated depreciation	1,114	1,006
Intangible assets, net of accumulated amortization	$ 6,775	$ 6,519
Stockholders' equity
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	84,000,000	84,000,000
Common stock, shares issued (in shares)	19,295,359	19,295,359
Common stock, shares outstanding (in shares)	19,295,359	19,295,359