Goodwill and Other Intangible Assets (Intangible Assets) (Details) (USD $)	9 Months Ended
Sep. 30, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 22,432,000	$ 12,936,000
Goodwill, Acquired During Period	9,500,000
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, Gross carrying amount	33,732,000	32,009,000
Finite-lived intangible assets, Accumulated amortization	11,388,000	8,878,000
Intangible assets, net	22,344,000	23,131,000
Supply agreements [Member]
Finite and Indefinite-Lived Intangible Asset by Major Class [Line Items]
Average amortization period	6 years
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, Gross carrying amount	31,200,000	29,803,000
Finite-lived intangible assets, Accumulated amortization	10,944,000	8,674,000
Finite-lived intangible assets, Net	20,256,000	21,129,000
(Unfavorable) favorable leasehold arrangements, net [Member]
Finite and Indefinite-Lived Intangible Asset by Major Class [Line Items]
Average amortization period	14 years
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, Gross carrying amount	236,000	236,000
Finite-lived intangible assets, Accumulated amortization	48,000	39,000
Finite-lived intangible assets, Net	188,000	197,000
Loan origination commitments [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, Gross carrying amount	1,907,000	1,907,000
Finite-lived intangible assets, Accumulated amortization	388,000	102,000
Finite-lived intangible assets, Net	1,519,000	1,805,000
Other [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, Gross carrying amount	389,000	63,000
Finite-lived intangible assets, Accumulated amortization	8,000	63,000
Finite-lived intangible assets, Net	$ 381,000	$ 0
Noncompete Agreements [Member]
Finite and Indefinite-Lived Intangible Asset by Major Class [Line Items]
Average amortization period	4 years

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

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)

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- Definition

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

+ References

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

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

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-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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