Prior Periods Financial Statement Revision - Schedule of Corrections of Misstatements and Revision on Consolidated Statements of Changes in Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital	$ 499,925		$ 501,615
Net loss	(248,191)	$ (19,518)
Accumulated deficit	(353,474)		(105,283)
Foreign currency translation gain (loss)	(14,342)	1,321
Accumulated other comprehensive loss	(69,053)		(44,554)
Total stockholders’ equity	$ 78,902	395,026	$ 353,277	$ 419,271
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital		512,274
Net loss		(18,600)
Accumulated deficit		(83,570)
Foreign currency translation gain (loss)		1,262
Accumulated other comprehensive loss		(34,219)
Total stockholders’ equity		394,909
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital		(5,832)
Net loss		(918)
Accumulated deficit		5,579
Foreign currency translation gain (loss)		59
Accumulated other comprehensive loss		370
Total stockholders’ equity		117
Continuing Operations As Revised
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital		506,442
Net loss		(19,518)
Accumulated deficit		(77,991)
Foreign currency translation gain (loss)		1,321
Accumulated other comprehensive loss		(33,849)
Total stockholders’ equity		$ 395,026