| 
           Real Estate and Intangible Assets - Summarized Information of Acquisition of Properties (Parenthetical) (Detail) (USD $) 
         | 
        9 Months Ended | 
|---|---|
| 
           Sep. 30, 2014
 
          Renewal_Options 
         | 
      |
| Real Estate Properties [Line Items] | |
| Follow-on lease option | 1 | 
| 
           McIntosh Road [Member] | Dover, FL [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Lease Expiration Date | Jun. 30, 2017 | 
| 
           2014 New Real Estate Activity [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Lease Expiration Date | Oct. 31, 2015 | 
| Annualized Straight-line Rent | $ 1,987,638 | 
| Direct leasing costs in connection with acquisitions | 17,558 | 
| 
           2014 New Real Estate Activity [Member] | New Tenant Lease Agreement [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Follow-on lease period | 9 years | 
| Renewal Options | 3 years | 
| Annualized Straight-line Rent | 311,760 | 
| Direct leasing costs in connection with acquisitions | 17,558 | 
| 
           2014 New Real Estate Activity [Member] | McIntosh Road [Member] | Dover, FL [Member] | Strawberries [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Renewal Options | 3 years | 
| Annualized Straight-line Rent | $ 133,154 | 
| 
           2014 New Real Estate Activity [Member] | McIntosh Road [Member] | Dover, FL [Member] | Lease Farm One [Member] | Strawberries [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Renewal Options | 3 years | 
| 
           2014 New Real Estate Activity [Member] | McIntosh Road [Member] | Dover, FL [Member] | Lease Farm Two [Member] | Strawberries [Member] 
         | 
        |
| Real Estate Properties [Line Items] | |
| Renewal Options | 0 years |