CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)
Supplemental Disclosure of Cash Flows:
Income taxes refunded	$ 1,400,000	$ 18,000
Interest paid	5,067,000	4,190,000
Interest capitalized	0	0
Gain on Sale	5,199,000	13,004,000
Accrued and Other Liabilities	849,980	(2,622,060)
Land and Development Costs	2,940,632	(2,690,531)
Right-of-use assets	413,907
Lease liabilities	414,741
Increase (decrease) in assets held for sale	140,927
Increase in liabilities held for sale	185,859
Supplemental disclosure of investing and financing activities
Tenant contribution		$ 1,900,000
Purchase price	40,559,000
Aspen, Colorado
Supplemental disclosure of investing and financing activities
Tenant contribution	1,500,000
Purchase price	28,000,000
Florida
Supplemental disclosure of investing and financing activities
Tenant contribution	1,900,000
Golf Operations
Supplemental Disclosure of Cash Flows:
Increase (decrease) in assets held for sale	208,000
Increase in liabilities held for sale	208,000
Accounting Standards Update 2016-02 | Restatement
Supplemental Disclosure of Cash Flows:
Right-of-use assets	681,000
Lease liabilities	473,000
Land Sales | Mitigation Bank West of Interstate Ninety Five
Supplemental Disclosure of Cash Flows:
Gain on Sale	18,400,000
Gain on Sale, noncash	5,100,000
Investment in Joint Venture	6,700,000
Accrued and Other Liabilities	300,000
Land and Development Costs	$ 1,300,000