FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 4) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Liabilities
SID bonds	$ 2,868,000	$ 2,234,000
Total			2,749,000
Variable-rate debt that has been swapped to a fixed rate	172,000,000
Carrying Amount
Assets:
Notes receivable, net	27,953,000	35,354,000
Tax indemnity receivable, including interest	319,622,000	331,771,000
Liabilities
Fixed-rate debt	158,636,000	83,164,000
Variable-rate debt	479,964,000	468,100,000
SID bonds	49,712,000	55,213,000
Total	688,312,000	606,477,000
Estimated Fair Value
Assets:
Notes receivable, net	27,953,000	35,354,000
Liabilities
Fixed-rate debt	158,879,000	85,047,000
Variable-rate debt	479,964,000	468,100,000
SID bonds	56,475,000	53,908,000
Total	$ 695,318,000	$ 607,055,000