Reporting Segments and Related Information - Additional Information (Details)	3 Months Ended
Mar. 31, 2017 USD ($) segment	Mar. 31, 2016 USD ($)
Revenue from External Customer [Line Items]
Number of reportable segments \| segment	5
Total revenues	$ 5,702,000	$ 12,953,000
Segment losses	9,458,000	12,770,000
Operating Segments \| Real estate - resort/residential
Revenue from External Customer [Line Items]
Total revenues	0
Segment losses	$ 630,000	$ 542,000

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=63488584&loc=d3e20235-122688

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+ 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=63488584&loc=d3e20235-122688

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