FEDERAL, FOREIGN, AND STATE CURRENT AND DEFERRED INCOME TAX Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Deferred Tax Assets, Gross [Abstract]
Deferred compensation	$ 14,544	$ 15,633
Basis difference on investment	194	127
Impairment charges on securities	4,410	8,149
Impairment charges on water assets	13,974	8,425
Impairment charges on real estate	2,041
Capitalized expenses	3,073	2,542
Net operating losses and tax credit carryforwards (primarily state attributes)	4,486	1,998
Legal settlement expense	1,293	1,337
Accumulated foreign currency translation adjustments	2,813	2,154
Unearned revenue	710	597
Employee benefits, including stock-based compensation	5,433	4,927
Excess tax basis in affiliate	1,943
Other	2,302	3,814
Total deferred tax assets	57,216	49,703
Deferred Tax Liabilities [Abstract]
Unrealized appreciation on securities	2,544	10,826
Revaluation of real estate and water assets	5,118	5,493
Foreign receivables	5,088	5,024
Real estate installment sales	647	1,589
Excess tax basis in affiliate	0	1,795
Other	153	1,322
Total deferred tax liabilities	13,550	26,049
Valuation allowance	(43,666)	(3,615)
Net deferred tax asset	$ 0	$ 20,039