FEDERAL AND STATE CURRENT AND DEFERRED INCOME TAX Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Deferred compensation	$ 10,908	$ 10,199
Impairment loss on securities	1,221	1,292
Impairment loss on water assets	17,277	17,252
Impairment loss on real estate	1,847	1,423
Capitalized expenses	9,788	8,629
Net operating losses, capital losses, and tax credit carryforwards	68,090	65,680
Employee benefits, including stock-based compensation	9,945	5,818
Excess tax basis in affiliate	12,889	14,675
Fixed assets	469	2,312
Other, net	3,545	2,975
Total deferred tax assets	135,979	130,255
Deferred tax liabilities:
Unrealized appreciation on securities	4,138	3,118
Revaluation of real estate and water assets	5,247	5,254
Excess book basis in affiliate	5,770	6,646
Other, net	2,113	2,118
Total deferred tax liabilities	17,268	17,136
Valuation allowance	(113,229)	(113,119)
Net deferred income tax asset	5,482	0
Provision for tax	(6,351)	$ (2,961)	$ (3,514)
Spigit
Deferred tax liabilities:
Provision for tax	$ (5,500)