Segment Information - Information by Business Segment (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Segment golf_course	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of reportable operating segments | Segment	5
Operating revenue:	$ 13,197	$ 20,254
Income (loss) before income taxes	6,467	11,798
Total Assets	$ 1,007,444		$ 1,027,945
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 revenue:	$ 1,275	6,988
Income (loss) before income taxes	(668)	3,357
Total Assets	119,119		112,220
Operating segments | Commercial real estate
Segment Reporting Information [Line Items]
Operating revenue:	0	0
Income (loss) before income taxes	(576)	(600)
Total Assets	60,238		60,150
Operating segments | Resorts and leisure
Segment Reporting Information [Line Items]
Operating revenue:	8,108	8,751
Income (loss) before income taxes	(1,776)	(1,800)
Total Assets	77,797		73,436
Operating segments | Leasing operations
Segment Reporting Information [Line Items]
Operating revenue:	2,384	2,361
Income (loss) before income taxes	203	(43)
Total Assets	85,206		80,863
Operating segments | Forestry
Segment Reporting Information [Line Items]
Operating revenue:	1,350	2,121
Income (loss) before income taxes	1,242	1,854
Total Assets	21,091		20,664
Other
Segment Reporting Information [Line Items]
Operating revenue:	80	33
Income (loss) before income taxes	8,042	$ 9,030
Total Assets	$ 643,993		$ 680,612