Revenues (Disaggregation of Revenue by Geographic Location) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 317,919	$ 269,812	$ 283,958
United States
Disaggregation of Revenue [Line Items]
Revenue	132,482	108,260	114,315
United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	20,412	23,142	29,207
Other Europe
Disaggregation of Revenue [Line Items]
Revenue	67,911	54,685	59,999
Israel
Disaggregation of Revenue [Line Items]
Revenue	23,385	21,816	12,816
Asia
Disaggregation of Revenue [Line Items]
Revenue	59,878	43,430	44,817
Canada
Disaggregation of Revenue [Line Items]
Revenue	13,851	18,479	22,804
Sensors
Disaggregation of Revenue [Line Items]
Revenue	127,861	120,754	121,827
Sensors | United States
Disaggregation of Revenue [Line Items]
Revenue	39,845	39,624	47,220
Sensors | United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	3,083	3,047	2,779
Sensors | Other Europe
Disaggregation of Revenue [Line Items]
Revenue	25,859	29,473	31,927
Sensors | Israel
Disaggregation of Revenue [Line Items]
Revenue	22,391	21,432	12,401
Sensors | Asia
Disaggregation of Revenue [Line Items]
Revenue	36,683	27,178	27,500
Sensors | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Weighing Solutions
Disaggregation of Revenue [Line Items]
Revenue	125,390	101,386	119,854
Weighing Solutions | United States
Disaggregation of Revenue [Line Items]
Revenue	52,542	46,980	54,679
Weighing Solutions | United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	16,577	19,866	26,026
Weighing Solutions | Other Europe
Disaggregation of Revenue [Line Items]
Revenue	39,549	23,114	26,437
Weighing Solutions | Israel
Disaggregation of Revenue [Line Items]
Revenue	994	384	415
Weighing Solutions | Asia
Disaggregation of Revenue [Line Items]
Revenue	15,719	10,876	11,654
Weighing Solutions | Canada
Disaggregation of Revenue [Line Items]
Revenue	9	166	643
Measurement Systems
Disaggregation of Revenue [Line Items]
Revenue	64,668	47,672	42,277
Measurement Systems | United States
Disaggregation of Revenue [Line Items]
Revenue	40,095	21,656	12,416
Measurement Systems | United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	752	229	402
Measurement Systems | Other Europe
Disaggregation of Revenue [Line Items]
Revenue	2,503	2,098	1,635
Measurement Systems | Israel
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Measurement Systems | Asia
Disaggregation of Revenue [Line Items]
Revenue	7,476	5,376	5,663
Measurement Systems | Canada
Disaggregation of Revenue [Line Items]
Revenue	$ 13,842	$ 18,313	$ 22,161