Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net (loss) income	$ 3,395	$ 82,990
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Non-cash operating items (Note 2)	(14,231)	(88,491)
Changes in operating assets and liabilities:
Other current assets	6,010	(347)
Accrued employment costs and other current liabilities	(117)	(645)
Income taxes receivable and payable	(945)	2,965
Pension and other postretirement liabilities	(1,833)	(375)
Other liabilities	2,170	2,463
Net cash provided by (used in) operating activities - continuing operations	(5,551)	(1,440)
Net cash provided by (used in) operating activities - discontinued operations	0	1,812
Net cash provided by (used in) operating activities	(5,551)	372
Financing activities:
Dividend paid	(170,130)	0
Net cash (used in) provided by financing activities - continuing operations	(170,130)	0
Net cash provided by financing activities - discontinued operations	0	0
Net cash (used in) provided by financing activities	(170,130)	0
Cash, cash equivalents and restricted cash (Note 2) - period (decrease) increase	(175,681)	372
Cash, cash equivalents and restricted cash (Note 2) - beginning of year	259,371	257,251
Cash, cash equivalents and restricted cash - end of period	$ 83,690	$ 257,623