Prior Periods Financial Statement Revision - Schedule of Correction of Misstatements and Revision on Consolidated Statement of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accounting Changes and Error Corrections [Line Items]
Income Tax Expense (Benefit)	$ (1,283)	$ (5,609)	$ 1,535	$ (12,213)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (17,988)	$ (17,977)	$ (54,275)	$ (59,305)
Basic net loss per share:
Net loss per share (in dollars per shares)	$ (0.13)	$ (0.48)	$ (0.74)	$ (1.61)
Diluted net loss per share:
Net loss per share (in dollars per share)	$ (0.13)	$ (0.48)	$ (0.74)	$ (1.61)
Previously Reported
Accounting Changes and Error Corrections [Line Items]
Income Tax Expense (Benefit)				$ 12,732
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest				(44,277)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				$ (58,787)
Basic net loss per share:
Net loss per share (in dollars per shares)				$ (1.59)
Diluted net loss per share:
Net loss per share (in dollars per share)				$ (1.59)
Restatement Adjustment
Accounting Changes and Error Corrections [Line Items]
Income Tax Expense (Benefit)				$ (519)
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest				(519)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				$ (519)
Basic net loss per share:
Net loss per share (in dollars per shares)				$ (0.02)
Diluted net loss per share:
Net loss per share (in dollars per share)				$ (0.02)
Continuing Operations As Revised
Accounting Changes and Error Corrections [Line Items]
Income Tax Expense (Benefit)				$ 12,213
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest				(44,796)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				$ (59,306)
Basic net loss per share:
Net loss per share (in dollars per shares)				$ (1.61)
Diluted net loss per share:
Net loss per share (in dollars per share)				$ (1.61)