Debt Schedule of Maturities of Long-term Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Short-term Debt	$ 167
Long-term Debt, Maturities, Repayments of Principal in Year Two	4,409
Long-term Debt, Maturities, Repayments of Principal in Year Three	3,000
Long-term Debt, Maturities, Repayments of Principal in Year Four	2,167
Long-term Debt, Maturities, Repayments of Principal in Year Five	1,625
Long-term Debt, Gross	11,368
Debt Instrument, Unamortized Discount	(697)
Long-term Debt	$ 10,671	$ 11,028

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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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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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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