Discontinued Operations (Details) (USD $)	9 Months Ended
Sep. 30, 2014
Discontinued Operations [Abstract]
Outstanding letters of credit, surety bonds, and third party guarantees	$ 4,000,000
Loss Contingency Accrual, Period Increase	$ 898,000

Amount of increase (decrease) in loss contingency liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Name:	us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration