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Operating Leases - Lessor (Details) (USD $)
12 Months Ended
Dec. 31, 2012
employees
Operating Leases, Future Minimum Payments Receivable [Abstract]  
2013 $ 332,351
2014 311,905
2015 276,784
2016 240,376
2017 196,098
Thereafter 991,272
Total $ 2,348,786
Customer Concentration Risk - Number 0
Concentration Risk, Percentage 5.00%