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Indebtedness (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Debt, Long-term and Short-term, Combined Amount    
Long Term debt $ 41,027 $ 51,917
Short-term 15,051 14,460
Total indebtedness 56,078 66,377
Term Loan [Member]
    
Debt, Long-term and Short-term, Combined Amount    
Long Term debt 41,000 46,000
Short-term 9,000 8,000
Total indebtedness 50,000 54,000
Notes Payable Other Payables [Member]
    
Debt, Long-term and Short-term, Combined Amount    
Long Term debt 27 5,917
Short-term 6,051 6,460
Total indebtedness $ 6,078 $ 12,377