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Real Estate and Lease Intangibles - Summary of Total Revenue and Earnings Recognized on Properties Acquired (Parenthetical) (Detail) (USD $)
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12 Months Ended | 3 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2014
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| Real Estate Properties [Line Items] | ||||
| Amortization expense on intangibles assets due to lease termination in connection with farm acquisition | $ 350,684us-gaap_AmortizationOfIntangibleAssets | $ 90,669us-gaap_AmortizationOfIntangibleAssets | $ 62,213us-gaap_AmortizationOfIntangibleAssets | |
| 2014 New Real Estate Activity [Member] | ||||
| Real Estate Properties [Line Items] | ||||
| Amortization expense on intangibles assets due to lease termination in connection with farm acquisition |
$ 43,328us-gaap_AmortizationOfIntangibleAssets / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFourteenNewRealEstateActivityMember |
$ 43,328us-gaap_AmortizationOfIntangibleAssets / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFourteenNewRealEstateActivityMember |
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- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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