Prior Periods' Financial Statement Revision Prior Periods' Financial Statement Revision - Schedule of Correction of Misstatements in Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)	$ (46,741)	$ (262,987)	$ 162,237
Changes in operating assets and liabilities, net of acquisitions:
Inventories	1,426	(16,208)	(8,944)
Income taxes receivable and payable, net	$ 5,292	(39,615)	124,389
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		(264,467)	163,052
Deferred income taxes		(20,758)
Changes in operating assets and liabilities, net of acquisitions:
Inventories		(16,872)	(10,278)
Income taxes receivable and payable, net		(40,946)
Other		(1,310)	(1,076)
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		1,480	(815)
Deferred income taxes		(1,644)
Changes in operating assets and liabilities, net of acquisitions:
Inventories		664	1,334
Income taxes receivable and payable, net		1,331
Other		831	(519)
Continuing Operations As Revised
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		(262,987)	162,237
Deferred income taxes		(22,402)
Changes in operating assets and liabilities, net of acquisitions:
Inventories		(16,208)	(8,944)
Income taxes receivable and payable, net		(39,615)
Other		$ (479)	$ (1,595)