Debt (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Minimum future lease payments under both capital leases together with the present value of the net minimum lease payments
2013	$ 479
2014	479
2015	479
2016	479
2017	479
Thereafter	4,855
Total minimum lease payments	7,250
Less interest included in payments above	(3,241)
Present value of minimum lease payments	$ 4,009

Amount of minimum lease payments for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

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Amount of minimum lease payments maturing after the fifth rolling twelve months following the latest balance sheet presented for capital leases.

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Amount of minimum lease payments maturing in the third rolling twelve months following the latest balance sheet presented for capital leases.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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

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-Number 13

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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