Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities:
Net income (loss)	$ 59,346	$ (68,397)
(Income) loss from discontinued operations, net of tax provision	306	574
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Non-cash operating items (Note 2)	(67,060)	58,069
Changes in operating assets and liabilities:
Other current assets and other assets	(107)	(38)
Accrued expenses and other current liabilities	(578)	(948)
Income taxes receivable and payable	88	(3,091)
Pension and other postretirement liabilities	(1,384)	(3,404)
Long-term liabilities	1,665	735
Net cash provided by (used in) operating activities - continuing operations	(7,724)	(16,500)
Net cash provided by (used in) operating activities - discontinued operations	(8,428)	(8,920)
Net cash provided by (used in) operating activities	(16,152)	(25,420)
Investing activities:
Capital expenditures		(102)
Net cash provided by (used in) investing activities - continuing operations		(102)
Receipt of principal, Land Note - discontinued operations		33,667
Net cash provided by (used in) investing activities		33,565
Financing activities:
Adjustment to tax benefit associated with stock-based compensation		2,570
Net cash provided by (used in) financing activities - continuing operations		2,570
Net cash provided by (used in) financing activities		2,570
Increase (decrease) in cash and cash equivalents	(16,152)	10,715
Cash and cash equivalents - beginning of period	58,853	51,433
Cash and cash equivalents - end of period	$ 42,701	$ 62,148