Issuance of Notes Payable and Warrants Future Payments Required on the Senior Notes (Details) (Senior Notes [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Senior Notes [Member]
Debt Instrument [Line Items]
2014	$ 6,240
2015	6,240
2016	6,240
2017	6,240
2018	6,240
Thereafter	132,480
Total	$ 163,680

Long Term Debt Maturities Repayments Of Principal And Interest

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Long Term Debt Maturities Repayments Of Principal And Interest After Year Five

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Long Term Debt Maturities Repayments of Principal and Interest In Next Twelve Months

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Long Term Debt Maturities Repayments of Principal and Interest in Year Five

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Long Term Debt Maturities Repayments of Principal and Interest in Year Four

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Long Term Debt Maturities Repayments of Principal and Interest In Year Three

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Long Term Debt Maturities Repayments of Principal and Interest In Year Two

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