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Mortgage Note Payable and Line of Credit - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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Jun. 30, 2013
Agrifinance [Member]
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Nov. 30, 2002
Agrifinance [Member]
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Jun. 30, 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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Jun. 30, 2013
Mortgage Note Payable [Member]
MetLife [Member]
Adjustment_Date
Disbursement
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Jan. 05, 2012
Mortgage Note Payable [Member]
MetLife [Member]
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Dec. 30, 2010
Mortgage Note Payable [Member]
MetLife [Member]
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Jun. 30, 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 | 3.63% | 3.69% | 3.62% | 3.67% | |||||||||||
| Amount borrowed into a long-term note payable | $ 29,489,165 | $ 45,200,000 | $ 4,785,000 | $ 4,800,000 | |||||||||||
| Initial accrued interest rate | 3.50% | ||||||||||||||
| Maturity Date | Jan. 05, 2026 | Apr. 05, 2017 | |||||||||||||
| Number of interest rate adjustments date | 4 | ||||||||||||||
| 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 | ||||||||||||||
| Maximum borrowing capacity | 45,200,000 | ||||||||||||||
| Outstanding under loan | 29,489,165 | 29,489,165 | 30,717,880 | 29,500,000 | |||||||||||
| Number of remaining disbursements | 3 | ||||||||||||||
| Maximum amount under the remaining three disbursements | 13,600,000 | ||||||||||||||
| Fair market value of the mortgage note payable | 31,200,000 | ||||||||||||||
| 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 | 100,000 | ||||||||||||
| Availability of credit facility | $ 4,700,000 | $ 4,700,000 | $ 4,700,000 | ||||||||||||