FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Carrying Amount	Dec. 31, 2013 Carrying Amount	Mar. 31, 2014 Estimated Fair Value	Dec. 31, 2013 Estimated Fair Value
Assets:
Cash and cash equivalents		$ 627,083,000	$ 894,948,000	$ 627,083,000	$ 894,948,000
Notes receivable, net		19,051,000	20,554,000	19,051,000	20,554,000
Tax indemnity receivable, including interest		322,350,000	320,494,000
Liabilities:
Fixed-rate debt		971,559,000	971,786,000	1,011,965,000	1,012,461,000
Variable-rate debt		556,981,000	509,737,000	556,981,000	509,737,000
SID bonds		30,841,000	33,100,000	30,616,000	32,837,000
Total mortgages, notes and loans payable		1,559,381,000	1,514,623,000	1,599,562,000	1,555,035,000
Maximum maturity period of bank deposits	90 days
Variable-rate debt that has been swapped to a fixed rate	$ 172,000,000