Segment Information - Information by Business Segment (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) golf_course Segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of reportable operating segments | Segment	5
Operating Revenues	$ 20,254	$ 17,091
Income (loss) before income taxes	11,798	(2,789)
Total Assets	$ 978,985		$ 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	$ 6,988	5,411
Income (loss) before income taxes	3,357	382
Total Assets	109,456		109,791
Operating segments | Commercial real estate
Segment Reporting Information [Line Items]
Operating Revenues	0	0
Income (loss) before income taxes	(600)	(604)
Total Assets	62,702		62,649
Operating segments | Resorts and leisure
Segment Reporting Information [Line Items]
Operating Revenues	8,751	7,803
Income (loss) before income taxes	(1,800)	(2,931)
Total Assets	74,611		75,441
Operating segments | Leasing operations
Segment Reporting Information [Line Items]
Operating Revenues	2,361	2,045
Income (loss) before income taxes	(43)	201
Total Assets	80,763		81,400
Operating segments | Forestry
Segment Reporting Information [Line Items]
Operating Revenues	2,121	1,806
Income (loss) before income taxes	1,854	1,637
Total Assets	20,085		20,244
Other
Segment Reporting Information [Line Items]
Operating Revenues	33	26
Income (loss) before income taxes	9,030	$ (1,474)
Total Assets	$ 631,368		$ 633,217