Goodwill and Intangible Assets (Schedule of Indefinite-Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Trade Names (Amortizable) [Member]
Indefinite-lived intangible assets
Cost	$ 117,600	$ 117,600
Accumulated impairment charge	(67,190)	(67,190)
Carrying value	50,410	50,410
Contractor License [Member]
Indefinite-lived intangible assets
Cost	6,000	6,000
Accumulated impairment charge	$ (6,000)	$ (6,000)

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant