Intangible Assets (Future Amortization) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012
Future Amortization
2013	$ 49,564
2014	34,353
2015	26,695
2016	15,913
2017	12,477
Thereafter	31,288
Intangible assets, net	170,290
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Amortizing intangibles, weighted-average remaining useful life	5 years
Future Amortization
2013	45,675
2014	33,310
2015	25,652
2016	14,870
2017	11,434
Thereafter	0
Intangible assets, net	130,941
Noncompete Agreements
Future Amortization
2013	2,846
2014	0
2015	0
2016	0
2017	0
Thereafter	0
Intangible assets, net	2,846
Favorable Lease Rates
Finite-Lived Intangible Assets [Line Items]
Amortizing intangibles, weighted-average remaining useful life	43 years 9 months 18 days
Future Amortization
2013	1,043
2014	1,043
2015	1,043
2016	1,043
2017	1,043
Thereafter	31,288
Intangible assets, net	$ 36,503

Finite-Lived Intangible Assets, Total Future Amortization Expense

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- Definition

Finite-Lived Intangible Assets, Weighted Average Original Useful Lives

+ References

No definition available.

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- Definition

Amount of amortization expense expected to be recognized after the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized in the remainder of the fiscal year following the latest fiscal year ended for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for 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)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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