Business Segments - Additional Information (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Revenue from External Customer [Line Items]
Number of reportable segments \| segment			5
Total revenues	$ 6,849,000	$ 7,000,000	$ 19,802,000	$ 23,633,000
Segment losses	9,956,000	8,402,000	22,726,000	23,915,000
Operating Segments \| Real estate - resort/residential
Revenue from External Customer [Line Items]
Total revenues			0
Segment losses	$ 387,000	$ 576,000	$ 929,000	$ 1,327,000

Total costs of sales and operating expenses for the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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