Segment and Geographic Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 362,580	$ 317,919	$ 269,812
Gross profit	149,602	125,142	104,271
Segment operating income (loss)	43,799	27,372	22,657
Acquisition costs	0	1,198	0
Impairment of goodwill and indefinite-lived intangibles	0	1,223	2,440
Restructuring costs	1,518	76	918
Depreciation and amortization expense	15,353	14,996	12,507
Capital expenditures	19,951	17,567	24,327
Total assets	476,742	461,889	401,887
Sensors
Segment Reporting Information [Line Items]
Net revenues	152,221	127,861	120,754
Gross profit	61,087	45,474	47,530
Segment operating income (loss)	41,671	26,527	29,486
Acquisition costs		0
Impairment of goodwill and indefinite-lived intangibles		0	0
Restructuring costs	1,460	0	551
Depreciation and amortization expense	5,816	5,967	5,227
Capital expenditures	11,515	13,213	21,885
Total assets	156,816	142,510	138,932
Weighing Solutions
Segment Reporting Information [Line Items]
Net revenues	125,715	125,390	101,386
Gross profit	43,178	45,900	32,250
Segment operating income (loss)	21,232	23,184	12,145
Acquisition costs		0
Impairment of goodwill and indefinite-lived intangibles		0	0
Restructuring costs	0	76	234
Depreciation and amortization expense	3,343	3,415	3,291
Capital expenditures	7,094	3,434	1,961
Total assets	148,041	152,399	160,679
Measurement Systems
Segment Reporting Information [Line Items]
Net revenues	84,644	64,668	47,672
Gross profit	45,337	33,768	24,491
Segment operating income (loss)	18,399	13,480	11,763
Acquisition costs		1,198
Impairment of goodwill and indefinite-lived intangibles		1,223	2,440
Restructuring costs	58	0	51
Depreciation and amortization expense	4,308	3,834	2,653
Capital expenditures	1,324	913	468
Total assets	153,547	159,816	78,810
Operating Segments | Sensors
Segment Reporting Information [Line Items]
Net revenues	152,221	127,861	120,754
Operating Segments | Weighing Solutions
Segment Reporting Information [Line Items]
Net revenues	125,715	125,390	101,386
Operating Segments | Measurement Systems
Segment Reporting Information [Line Items]
Net revenues	84,644	64,668	47,672
Corporate/ Other
Segment Reporting Information [Line Items]
Net revenues	0	0	0
Gross profit	0	0	0
Segment operating income (loss)	(37,503)	(35,819)	(30,737)
Acquisition costs		0
Impairment of goodwill and indefinite-lived intangibles		0	0
Restructuring costs	0	0	82
Depreciation and amortization expense	1,886	1,780	1,336
Capital expenditures	18	7	13
Total assets	18,338	7,164	23,466
Intersegment revenues
Segment Reporting Information [Line Items]
Net revenues	(2,121)	(3,487)	(3,183)
Intersegment revenues | Sensors
Segment Reporting Information [Line Items]
Net revenues	2,121	3,487	3,183
Intersegment revenues | Weighing Solutions
Segment Reporting Information [Line Items]
Net revenues	0	0	0
Intersegment revenues | Measurement Systems
Segment Reporting Information [Line Items]
Net revenues	$ 0	$ 0	$ 0