Area of land sold in the reporting period.

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- Definition

Land Sales, Gross Sales Price

+ References

No definition available.

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- Definition

Land Sales, Ownership Interest Sold, Percentage

+ References

No definition available.

+ Details

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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

The amount of proceeds received for the sale of mitigation credits during the reporting period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the cost basis of mitigation credits transferred to expense, which were utilized to resolve required mitigation activities.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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
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Balance Type:	credit
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- Definition

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
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-SubTopic 10
-Section 50
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LAND AND SUBSURFACE INTERESTS - Land Sales and Impairments (Details) $ / a in Thousands, $ in Thousands													3 Months Ended						9 Months Ended
	Oct. 31, 2019 a	Sep. 11, 2019 USD ($) a $ / a	Jun. 20, 2019 USD ($) a $ / a	May 15, 2019 USD ($) a $ / a	Apr. 29, 2019 USD ($) a $ / a	Feb. 27, 2019 USD ($) a $ / a	Aug. 30, 2018 USD ($) a $ / 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	Sep. 30, 2019 USD ($) a $ / a	Jun. 30, 2019 USD ($) a $ / a	Mar. 31, 2019 USD ($) a $ / a	Sep. 30, 2018 USD ($) a $ / a	Jun. 30, 2018 USD ($) a $ / a	Mar. 31, 2018 USD ($) a $ / a	Sep. 30, 2019 USD ($) a $ / a	Sep. 30, 2018 USD ($) a $ / a
Land and development costs and subsurface interests
Mitigation credits sold																				$ 1,000
No. of Acres \| a	1,500												2.2	64.3	9.9	24.1	32.4	34.9	76.4	91.4
Gross Sales Price													$ 300	$ 7,510	$ 3,300	$ 6,970	$ 1,709	$ 13,948	$ 11,110	$ 22,627
Price per Acre \| $ / a													136	117	333	289	53	400	145	248
Gain on Sale													$ 283	$ 2,925	$ 2,274	$ 1,764	$ 1,078	$ 11,926	$ 5,482	$ 14,768
Unicorp-Grocery Anchored Project - East of I-95
Land and development costs and subsurface interests
Mitigation credits sold																			260
Mitigation credits transferred																			260
Buc'ees - East of I-95
Land and development costs and subsurface interests
Escrow reserve																831		831		831
Remaining gain to be recognized																$ 831		$ 831		831
Undeveloped Land in Daytona Beach, Florida, Along Interstate 95
Land and development costs and subsurface interests
Impairment charges																			$ 0	$ 0
Land Sales
Land and development costs and subsurface interests
No. of Acres \| a																			76	2,583
Gross Sales Price																			$ 11,100
Land Sales \| Unicorp-Grocery Anchored Project - East of I-95 \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a						9.9
Gross Sales Price						$ 3,300
Price per Acre \| $ / a						333
Gain on Sale						$ 2,274
Land Sales \| Buc'ees - East of I-95
Land and development costs and subsurface interests
Gain on Sale																				$ 11,900
Land Sales \| Buc'ees - East of I-95 \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a												34.9
Gross Sales Price												$ 13,948
Price per Acre \| $ / a												400
Gain on Sale												$ 11,926
Land Sales \| Residential \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a											19.0
Gross Sales Price											$ 265
Price per Acre \| $ / a											14
Gain on Sale											$ 226
Land Sales \| Commercial/Retail Site \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a								3.5	7.7	5.7
Gross Sales Price								$ 285	$ 819	$ 625
Price per Acre \| $ / a								81	106	110
Gain on Sale								$ 262	$ 628	$ 224
Land Sales \| Unicorp-Williamson Crossing \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a							20.6
Gross Sales Price							$ 6,685
Price per Acre \| $ / a							325
Gain on Sale							$ 1,502
Land Sales \| Compensating Storage Pond
Land and development costs and subsurface interests
No. of Acres \| a					38.0
Gross Sales Price					$ 710
Price per Acre \| $ / a					19
Gain on Sale					$ 596
Land Sales \| Final NADG Land Sale. \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a				12.6
Gross Sales Price				$ 3,000
Price per Acre \| $ / a				239
Gain on Sale				$ 1,964
Land Sales \| Unicorp-Clyde Morris \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a			13.7
Gross Sales Price			$ 3,800
Price per Acre \| $ / a			277
Gain on Sale			$ 365																$ 365
Land Sales \| Mitigation Bank
Land and development costs and subsurface interests
No. of Acres \| a																				2,492
Gross Sales Price																				$ 15,300
Land sales, ownership interest sold (as a percent)																				70.00%
Land Sales \| LPGA Parcel \| Commercial/Retail Site
Land and development costs and subsurface interests
No. of Acres \| a		2.2
Gross Sales Price		$ 300
Price per Acre \| $ / a		136
Gain on Sale		$ 283