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Borrowings - Additional Information (Detail) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2013
Agrifinance [Member]
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Nov. 30, 2002
Agrifinance [Member]
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Dec. 31, 2013
Mortgage Note Payable [Member]
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Dec. 31, 2012
Mortgage Note Payable [Member]
MetLife [Member]
Disbursement
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Dec. 31, 2011
Mortgage Note Payable [Member]
MetLife [Member]
Disbursement
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Dec. 31, 2013
Mortgage Note Payable [Member]
MetLife [Member]
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Dec. 31, 2010
Mortgage Note Payable [Member]
MetLife [Member]
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Jan. 05, 2012
Mortgage Note Payable [Member]
MetLife [Member]
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Dec. 31, 2010
Mortgage Note Payable [Member]
MetLife [Member]
Maximum [Member]
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Dec. 31, 2013
Line of Credit [Member]
MetLife [Member]
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May 31, 2012
Line of Credit [Member]
MetLife [Member]
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| Debt Instrument [Line Items] | |||||||||||||
| Weighted average interest rate on borrowings | 3.60% | 3.70% | |||||||||||
| Amount borrowed into a long-term note payable | $ 43,054,165 | $ 45,200,000 | $ 45,200,000 | $ 4,785,000 | $ 4,800,000 | ||||||||
| Initial accrued interest rate | 3.50% | ||||||||||||
| Maturity date | Jan. 05, 2026 | Jan. 05, 2026 | Apr. 05, 2017 | ||||||||||
| Number of disbursements | 3 | ||||||||||||
| Number of additional disbursements | 3 | ||||||||||||
| Disbursements drawn prior to the December 2012 amendment | 2 | ||||||||||||
| Commitment fee on undrawn amount | 0.20% | ||||||||||||
| Maximum number of disbursement after amendment under loan agreement | 3 | ||||||||||||
| Number of disbursement drawn after amendment drawn to date under loan agreement | 0 | ||||||||||||
| Period for rate adjustment | 3 years | ||||||||||||
| Interest rate adjustment date | Jan. 05, 2014 | ||||||||||||
| Mortgage notes payable, carrying value | 43,100,000 | ||||||||||||
| Fair value of mortgage notes payable | 43,700,000 | ||||||||||||
| Revolving line of credit facility | 3,300,000 | ||||||||||||
| Credit facility maturity | May 31, 2012 | Dec. 01, 2017 | |||||||||||
| Interest rate charged | three-month LIBOR plus 3.00% | ||||||||||||
| Minimum annualized rate | 3.25% | ||||||||||||
| Carrying values of our lines of credit | 100,000 | 100,000 | |||||||||||
| Availability of credit facility | $ 4,700,000 | $ 4,700,000 | |||||||||||