XML 51 R37.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Real Estate and Intangible Assets - Pro-Forma Condensed Consolidated Statements of Operations as Properties Acquired (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Operating Data: |  |  |  |
Total operating revenue | $ 4,718,052 | $ 3,460,986 | $ 13,285,819 | $ 8,864,148
Net income attributable to the company | $ 211,822 | $ (176,949) | $ 593,599 | $ 914,580
Share and Per-share Data: |  |  |  |
Earnings per share of common stock - basic and diluted (in dollars per share) | $ 0.02 | $ (0.02) | $ 0.06 | $ 0.10
Weighted-average common shares outstanding - basic and diluted (in shares) | 10,018,331 | 9,060,314 | 10,001,466 | 9,060,314

X
- Definition Business acquisition proforma earnings per share basic and diluted. + References No definition available. + Details
Name: | land_BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted
Namespace Prefix: | land_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business acquisition pro forma earnings per share basic and diluted. + References No definition available. + Details
Name: | land_BusinessAcquisitionProFormaEarningsPerShareBasicAndDilutedAbstract
Namespace Prefix: | land_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business acquisition pro forma weighted average number of common shares outstanding basic and diluted. + References No definition available. + Details
Name: | land_BusinessAcquisitionProFormaWeightedAverageNumberOfCommonSharesOutstandingBasicAndDiluted
Namespace Prefix: | land_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionProFormaInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration