Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities:
Net income (loss)	$ 23,774	$ (82,642)
(Income) loss from discontinued operations, net of tax provision	133	139
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Non-cash operating items (Note 2)	(26,291)	79,768
Changes in operating assets and liabilities:
Other current assets and other assets	(855)	(431)
Accrued expenses and other current liabilities	(1,475)	(2,074)
Income taxes receivable and payable	30	(33)
Pension and other postretirement liabilities	(173)	(980)
Long-term liabilities	483	(288)
Net cash provided by (used in) operating activities - continuing operations	(4,374)	(6,541)
Net cash provided by (used in) operating activities - discontinued operations	(2,809)	(2,809)
Net cash provided by (used in) operating activities	(7,183)	(9,350)
Investing activities:
Receipt of principal, Land Note - discontinued operations		33,667
Net cash provided by (used in) investing activities		33,667
Increase (decrease) in cash and cash equivalents	(7,183)	24,317
Cash and cash equivalents - beginning of period	58,853	51,433
Cash and cash equivalents - end of period	$ 51,670	$ 75,750