Segment Information Total Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Sep. 30, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		$ 607,503	$ 528,682
IoT Products & Services Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		395,413	387,578
IoT Solutions Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		84,901	86,975
Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	[1]	$ 127,189	$ 54,129

[1] Unallocated consists of cash and cash equivalents.