Goodwill and Other Intangible Assets - Goodwill Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance at beginning of period	$ 32,511
Effect of Ctrack South Africa divestiture		$ (10,734)
Effect of change in foreign currency exchange rates	1,586	(1,441)
Balance at end of period	$ 20,336	$ 32,511