Segment Information - Information by Business Segment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) Segment golf_course	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of reportable operating segments | Segment			5
Operating Revenues	$ 29,551	$ 37,846	$ 49,805	$ 54,937
Income (loss) before income taxes	2,558	1,591	14,354	(1,196)
Total Assets	984,440		$ 984,440		$ 982,742
Resorts and leisure
Segment Reporting Information [Line Items]
Number of golf courses | golf_course			4
Operating segments | Residential real estate
Segment Reporting Information [Line Items]
Operating Revenues	5,796	4,020	$ 12,784	9,430
Income (loss) before income taxes	1,081	(378)	4,439	6
Total Assets	106,306		106,306		109,791
Operating segments | Commercial real estate
Segment Reporting Information [Line Items]
Operating Revenues	0	4,660	0	4,660
Income (loss) before income taxes	(548)	(8)	(1,148)	(612)
Total Assets	60,169		60,169		62,649
Operating segments | Resorts and leisure
Segment Reporting Information [Line Items]
Operating Revenues	19,794	19,318	28,544	27,121
Income (loss) before income taxes	2,795	3,466	994	535
Total Assets	73,873		73,873		75,441
Operating segments | Leasing operations
Segment Reporting Information [Line Items]
Operating Revenues	2,321	2,167	4,682	4,212
Income (loss) before income taxes	(336)	283	(379)	483
Total Assets	81,284		81,284		81,400
Operating segments | Forestry
Segment Reporting Information [Line Items]
Operating Revenues	1,603	7,664	3,724	9,470
Income (loss) before income taxes	1,241	6,770	3,094	8,408
Total Assets	20,102		20,102		20,244
Other
Segment Reporting Information [Line Items]
Operating Revenues	37	17	71	44
Income (loss) before income taxes	(1,675)	$ (8,542)	7,354	$ (10,016)
Total Assets	$ 642,706		$ 642,706		$ 633,217