CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net (loss) income	$ (705)	$ 747
Adjustments to reconcile net (loss) income to net cash provided by operating activities
Depreciation and amortization	4,785	9,950
Stock-based compensation	1,002	8,383
Loss on disposal of plant, property and equipment	272
Equity in loss of unconsolidated joint ventures	21	40
Deferred income tax expense	121	2,658
Impairment losses		2,479
Cost of operating properties sold	9,835	4,287
Expenditures for operating properties	(13,764)	(9,906)
Pension charges	771	1,713
Changes in operating assets and liabilities:
Notes receivable	456	1,174
Other assets	(860)	(767)
Accounts payable and accrued liabilities	5,847	8,448
Income taxes payable		(2,484)
Net cash provided by operating activities	7,781	26,722
Cash flows from investing activities:
Purchases of property, plant and equipment	(201)	(1,556)
Proceeds from disposition of property, plant and equipment	8
Contribution of capital to unconsolidated affiliates		(4,434)
Net cash used in investing activities	(193)	(5,990)
Cash flows from financing activities:
Proceeds from exercises of stock options		100
Repayments of other long-term debt	(431)	(166)
Distributions to minority interest partner		(9)
Excess tax benefits from stock-based compensation	503	53
Taxes paid on behalf of employees related to stock-based compensation	(152)	(4,708)
Net cash used in financing activities	(80)	(4,730)
Net increase in cash and cash equivalents	7,508	16,002
Cash and cash equivalents at beginning of period	162,391	183,827
Cash and cash equivalents at end of period	$ 169,899	$ 199,829