Other Intangible Assets Other Amortizable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems [Line Items]
Useful Life	8 years 10 months 24 days
Finite-Lived Intangible Assets, Net [Abstract]
Net carrying amount	$ 55,710us-gaap_FiniteLivedIntangibleAssetsNet	$ 66,717us-gaap_FiniteLivedIntangibleAssetsNet
Customer Lists
ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems [Line Items]
Useful Life	9 years
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	99,000	99,000
Less accumulated amortization	(43,290)	(32,290)
Net carrying amount	55,710	66,710
Favorable leasehold agreements
ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems [Line Items]
Useful Life	2 years 8 months 12 days
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	410	410
Less accumulated amortization	(410)	(403)
Net carrying amount	$ 0	$ 7

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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