Discontinued Operations - Major components of assets and liabilities of discontinued operations (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of Discontinued Operations	$ 10	$ 38
Liabilities of Discontinued Operations	3,353	3,637
Disposal groups held for sale or disposed of by sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current Assets	10	38
Assets of Discontinued Operations	10	38
Current Liabilities	3,353	3,637
Liabilities of Discontinued Operations	$ 3,353	$ 3,637