| **Investment in Real Estate (Tables)**   | 6 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: June 30, 2016 December 31, 2015Development property:   Residential real estate$96,731 $99,413Commercial real estate56,586 56,587Leasing operations1,120 360Forestry2,606 2,681Corporate2,384 2,211Total development property159,427 161,252    Operating property:   Residential real estate8,091 8,091Resorts and leisure109,556 109,425Leasing operations81,024 79,550Forestry19,184 19,300Other50 50Total operating property217,905 216,416Less: Accumulated depreciation67,090 64,069Total operating property, net150,815 152,347Investment in real estate, net$310,242 $313,599 |

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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.
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