RENTAL EQUIPMENT, NET - Schedule of Rental Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019
Property, Plant and Equipment [Line Items]
Total	$ 258,932	$ 254,881
Accumulated depreciation	(49,314)	(46,344)
Unamortized initial direct costs	2,055	0
Net book value	211,673	208,537
Computers and IT networking equipment
Property, Plant and Equipment [Line Items]
Total	32,733	37,352
Motor vehicles and other
Property, Plant and Equipment [Line Items]
Total	106,133	98,149
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Total	2,900	2,875
Solar panels and equipment
Property, Plant and Equipment [Line Items]
Total	$ 117,166	$ 116,505