FEDERAL AND STATE CURRENT AND DEFERRED INCOME TAX - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Net operating losses, capital losses, and tax credit carryforwards	$ 60,318	$ 64,378
Impairment loss on water assets	10,384	10,313
Employee benefits, including stock-based compensation	682	928
Excess tax basis in affiliate	496	496
Fixed assets	739	798
Other, net	761	772
Total deferred tax assets	73,380	77,685
Deferred tax liabilities:
Revaluation of real estate and water assets	2,978	3,145
Other, net	508	503
Total deferred tax liabilities	3,486	3,648
Valuation allowance	(69,894)	(74,037)
Net deferred income tax asset	$ 0	$ 0