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Long-term Debt (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Debt Instrument [Line Items]
Long-term debt	$ 2.0us-gaap_LongTermDebt
Minimum
Debt Instrument [Line Items]
Interest rate	5.95%
Maximum
Debt Instrument [Line Items]
Interest rate	10.00%

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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