CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities
Net income (loss)	$ 14,628	$ (1,690)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation and amortization	7,185	12,970
Stock-based compensation	996	8,609
Loss on disposal of plant, property and equipment	278
Equity in loss of unconsolidated joint ventures	40	51
Deferred income tax (benefit) expense	(17)	1,118
Impairment losses		2,479
Cost of operating properties sold	24,492	7,626
Expenditures for operating properties	(16,556)	(21,438)
Pension charges	874	4,926
Changes in operating assets and liabilities:
Notes receivable	561	1,102
Other assets	(725)	3,083
Accounts payable and accrued liabilities	(2,261)	(1,085)
Income taxes payable	223	(2,625)
Net cash provided by operating activities	29,718	15,126
Cash flows from investing activities:
Purchases of property, plant and equipment	(266)	(1,586)
Proceeds from disposition of property, plant and equipment		100
Contribution of capital to unconsolidated affiliates		(4,434)
Net cash used in investing activities	(266)	(5,920)
Cash flows from financing activities:
Proceeds from exercises of stock options		100
Repayments of other long-term debt	(19,781)	(227)
Distributions to minority interest partner		(10)
Excess tax benefits from stock-based compensation	488	54
Taxes paid on behalf of employees related to stock-based compensation	(152)	(4,708)
Net cash used in financing activities	(19,445)	(4,791)
Net increase in cash and cash equivalents	10,007	4,415
Cash and cash equivalents at beginning of period	162,391	183,827
Cash and cash equivalents at end of period	$ 172,398	$ 188,242