Area of land sold in the reporting period.

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- Definition

Land Sales, Area of Land, Interest in Entity Sold

+ References

No definition available.

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- Definition

Land Sales, Area of Land, Land Sale Transactions, Total

+ References

No definition available.

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- Definition

Land Sales, Gross Sales Price

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No definition available.

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- Definition

Land Sales, Ownership Interest Sold, Percentage

+ References

No definition available.

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- Definition

Revenue from the sale of land per area unit of land in the reporting period.

+ References

No definition available.

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- Definition

Revenue per acre.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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LAND AND SUBSURFACE INTERESTS - Land Sales and Impairments (Details)															3 Months Ended						6 Months Ended		9 Months Ended
	Oct. 26, 2018 a $ / a	Aug. 30, 2018 USD ($) a $ / a	Aug. 01, 2018 a	Jul. 16, 2018 USD ($) a $ / a	Jun. 28, 2018 USD ($) a $ / a	Jun. 25, 2018 USD ($) a $ / a	Jun. 12, 2018 USD ($) a $ / a	Mar. 16, 2018 USD ($) a $ / a	Jun. 27, 2017 USD ($) a $ / a	Apr. 25, 2017 USD ($) a $ / a	Apr. 13, 2017 USD ($) a $ / a	Apr. 05, 2017 USD ($) a $ / a	Mar. 22, 2017 USD ($) a $ / a	Feb. 10, 2017 USD ($) a $ / a	Sep. 30, 2018 USD ($) a item property $ / a	Jun. 30, 2018 USD ($) a $ / a	Mar. 31, 2018 USD ($) a $ / a	Sep. 30, 2017 a	Jun. 30, 2017 USD ($) a $ / a	Mar. 31, 2017 USD ($) a $ / a	Jun. 30, 2018 USD ($) a	Jun. 30, 2017 USD ($) a	Sep. 30, 2018 USD ($) a item property $ / a	Sep. 30, 2017 USD ($) a $ / a
Land and development costs and subsurface interests
No. of Acres \| a	3,503		3,500
Price per Acre \| $ / a	44,000
Impairment charges															$ 1,119,362								$ 1,119,362	$ 0
Real Estate Operations
Land and development costs and subsurface interests
Number of real estate properties \| property															36								36
Undeveloped land
Land and development costs and subsurface interests
Impairment charges																							$ 0	$ 0
Buc'ees - East of I-95
Land and development costs and subsurface interests
Escrow reserve															$ 831,000		$ 831,000						831,000
Remaining gain to be recognized															$ 831,000		$ 831,000						$ 831,000
Land Sales
Land and development costs and subsurface interests
Number of real estate properties \| item															6								6
Area of land in land sale transactions \| a																							2,583
No. of Acres \| a															24.1	32.4	34.9	0	81.4	1,587.4		1,668.8	91.4	1,668.8
Gross Sales Price															$ 6,970,000	$ 1,709,000	$ 13,948,000		$ 11,813,000	$ 28,707,000		$ 40,520,000	$ 22,627,000	$ 40,520,000
Price per Acre \| $ / a															289,000	53,000	400,000		145,000	18,000			248,000	24,000
Gain on Sale															$ 1,764,000	$ 1,078,000	$ 11,926,000		$ 6,858,000	$ 20,052,000			$ 14,768,000	$ 26,910,000
Land Sales \| Minto Communities LLC
Land and development costs and subsurface interests
No. of Acres \| a														1,581.0
Gross Sales Price														$ 27,151,000
Price per Acre \| $ / a														17,000
Gain on Sale														$ 20,041,000
Land Sales \| Buc'ees - East of I-95
Land and development costs and subsurface interests
No. of Acres \| a								34.9
Gross Sales Price								$ 13,948,000
Price per Acre \| $ / a								400,000
Gain on Sale								$ 11,926,000
Land Sales \| Residential
Land and development costs and subsurface interests
No. of Acres \| a							19.0
Gross Sales Price							$ 265,000
Price per Acre \| $ / a							14,000
Gain on Sale							$ 226,000
Land Sales \| Mitigation Bank West of Interstate Ninety Five
Land and development costs and subsurface interests
Area of land belonging to interest in entity sold \| a																					2,492
No. of Acres \| a							2,492
Land sales, ownership interest sold (as a percent)							70.00%														70.00%
Gross Sales Price																					$ 15,300,000
Gain on Sale																					$ 18,400,000		$ 18,400,000
Land Sales \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a				3.5	7.7	5.7
Gross Sales Price				$ 285,000	$ 819,000	$ 625,000
Price per Acre \| $ / a				81,000	106,000	110,000
Gain on Sale				$ 262,000	$ 628,000	$ 224,000
Land Sales \| Unicorp-Williamson Crossing
Land and development costs and subsurface interests
No. of Acres \| a		20.6
Gross Sales Price		$ 6,685,000
Price per Acre \| $ / a		325,000
Gain on Sale		$ 1,502,000
Land Sales \| Commercial
Land and development costs and subsurface interests
No. of Acres \| a										30.0	4.5	27.5	6.4
Gross Sales Price										$ 2,938,000	$ 1,235,000	$ 3,218,000	$ 1,556,000
Price per Acre \| $ / a										98,000	274,000	117,000	245,000
Gain on Sale										$ 627,000	$ 13,000	$ 2,955,000	$ 11,000
Land Sales \| Third Nadg Land Sale
Land and development costs and subsurface interests
No. of Acres \| a									19.4
Gross Sales Price									$ 4,422,000
Price per Acre \| $ / a									228,000
Gain on Sale									$ 3,263,000