Operations Held For Sale Assets and Liabilities of Operations Held For Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities sold		$ 1,013
Rental Subsidiaries [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade receivables, net	$ 5,879	6,207
Inventories, net	412	315
Other current assets	212	221
Property and Equipment, net	4,126	5,896
Disposal Group, Including Discontinued Operation, Goodwill	4,518	4,692
Other Intangibles	42	57
Assets sold	15,189	17,388
Accounts payable	410	225
Accrued expenses	1,033	788
Liabilities sold	$ 1,443	$ 1,013