Business Divestiture - Assets and Liabilities Held for Sale (Details) - Held-for-sale $ in Thousands	Mar. 31, 2021 USD ($)
Assets:
Cash and cash equivalents	$ 5,500
Ctrack South Africa
Assets:
Cash and cash equivalents	5,520
Accounts receivable, net	4,539
Inventory	3,338
Prepaid expenses and other	687
Property, plant and equipment, net	3,989
Rental assets, net	2,177
Intangible assets, net	10,945
Goodwill	10,474
Right-of-use assets, net	27
Total assets held for sale	41,696
Liabilities:
Accounts payable	4,784
Accrued expenses and other liabilities	933
Deferred tax liabilities, net	3,568
Other long-term liabilities	777
Total liabilities related to assets held for sale	$ 10,062