Business Segments - Long-lived Assets by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Property and equipment, net	$ 37,224	$ 36,837	$ 82,933
Operating Segments | North America
Segment Reporting Information [Line Items]
Property and equipment, net	2,713		11,078
Operating Segments | EMEA
Segment Reporting Information [Line Items]
Property and equipment, net	12,675		51,131
Operating Segments | LATAM
Segment Reporting Information [Line Items]
Property and equipment, net	463		598
Other
Segment Reporting Information [Line Items]
Property and equipment, net	$ 21,373		$ 20,126