| **Debt (Tables)**              | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| **Debt Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Debt                           | Debt consists of the following at June 30, 2016: PrincipalUnamortized Discount and Debt Issuance CostsNetRefinanced loan in the Pier Park North joint venture, due November 2025, bearing interest at 4.1%$48,200$662$47,538Community Development District debt, secured by certain real estate and standby note purchase agreements, due May 2031 - May 2039, bearing interest at 3.1% to 7.0% at June 30, 20166,668—6,668Total debt$54,868$662$54,206Debt consists of the following at December 31, 2015:  Principal Unamortized Discount and Debt Issuance Costs NetRefinanced loan in the Pier Park North joint venture, due November 2025, bearing interest at 4.1%$48,200 $720 $47,480Community Development District debt, secured by certain real estate and standby note purchase agreements, due May 2016 - May 2039, bearing interest at 2.8% to 7.0% at December 31, 20156,994 — 6,994Total debt$55,194 $720 $54,474 |
| Maturities of Debt             | The aggregate maturities of debt subsequent to June 30, 2016 are: June 30, 20162016$96201799120181,03220191,07520201,119Thereafter50,555 $54,868                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

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| - References
No definition available.
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| - Definition
Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.
+ References
No definition available.
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| - Definition
Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601
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