| Notes Payable and Bank Debts (Tables) | 9 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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| Sep. 30, 2014 | |||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||
| Schedule of Maturities of Long-term Debt | 
The following is a schedule, by year, of future minimum principal payments required under notes payable and bank debts as of September 30, 2014 (in thousands):
 
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- Details 
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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