| Real Estate and Intangible Assets - Summarized Information of Acquisition of Properties (Parenthetical) (Detail) (USD $) | 9 Months Ended | |
|---|---|---|
| Sep. 30, 2013 | Sep. 30, 2012
 Colding Loop [Member]
 2012 New Real Estate Activity [Member] | |
| Business Acquisition [Line Items] | ||
| Lease Term | 10 months | |
| Rental income of current lease | $ 166,205 | |
| Term of Contract | 5 years | 5 years | 
| Extended lease term | 5 years | 5 years | 
| Lease rental income | $ 125,400 | $ 125,400 | 
| X | ||||||||||
| 
- Definition Lessee leasing arrangement lease renewal term. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Lessee leasing arrangement lease term. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Minimum annualized lease rental income for year one. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Real estate annualized rental income. No definition available. 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available. 
 |