| **Investment in Real Estate (Tables)**   | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
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| **Real Estate [Abstract]**               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Real Estate by Property Type and Segment | Real estate by property type and segment includes the following: December 31, 2014 December 31, 2013Development property:   Residential real estate102,411 130,616Commercial real estate59,405 58,659Resorts, leisure and leasing operations (1)3,207 28,737Forestry3,278 8,976Corporate2,491 2,366Total development property170,792 229,354    Operating property:Residential real estate$1,544$2,071Resorts, leisure and leasing operations (2)188,721146,624Forestry18,83958,170Other4845Total operating property209,152 206,910Less: Accumulated depreciation58,132 53,496Net operating property151,020 153,414    Investment in unconsolidated affiliates— 2,241Investment in real estate, net$321,812 $385,009(1)Includes $3.1 million and $28.4 million for the Pier Park North joint venture as of December 31, 2014 and 2013, respectively.(2)Includes $41.6 million for the Pier Park North joint venture as of December 31, 2014. |
| Property, Plant and Equipment            | Operating property includes the following components: December 31, 2014 December 31, 2013 Estimated Useful Life (in years)Land and land improvements$72,284 $74,070 5 - 20Buildings and building improvements127,577 99,417 20 - 40Timber9,291 33,423 N/A 209,152 206,910  Less: Accumulated depreciation58,132 53,496  Total operating property, net151,020 153,414  Property and equipment, net consists of the following: December 31, 2014 December 31, 2013 Estimated Useful Life (in years)Railroad and equipment$33,627 $33,627 15-30Machinery and equipment16,498 18,714 3-10Office equipment18,844 19,154 3-10Autos and trucks866 1,600 3-10 69,835 73,095  Less: Accumulated depreciation60,284 62,206   9,551 10,889  Construction in progress652 521  Total property and equipment, net$10,203 $11,410              |

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| - Definition
Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5
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| - Definition
Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations.
+ References
No definition available.
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