INCOME TAXES - Tax Effects and Tax Cuts and Jobs Act (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Components of income before income taxes
Domestic	$ 3,951	$ 18,630	$ 7,707
Foreign	12,907	11,070	15,974
Income before income taxes	16,858	29,700	23,681
Current provision
Domestic	2,523	7,805	5,903
Foreign	3,522	2,834	4,111
Total current provision	6,045	10,639	10,014
Deferred provision
Domestic	(1,453)	(4,087)	(3,915)
Foreign	(900)	(949)	193
Total deferred (benefit) provision	(2,353)	(5,036)	(3,722)
Income tax provision (benefit)	$ 3,692	$ 5,603	$ 6,292
Differences in the provision (benefit) for income taxes from the amount determined by applying the federal statutory rate
Tax provision, computed at statutory rate (as a percent)	21.00%	21.00%	21.00%
State tax, net of federal impact (as a percent)	1.00%	1.70%	1.30%
Change in valuation allowance (as a percent)	(2.90%)	(1.50%)	(0.10%)
Effect of foreign tax rate differences (as a percent)	2.40%	1.90%	3.90%
Section 162(m) compensation	4.80%	2.40%	3.10%
R&D Credits (as a percent)	(7.90%)	(6.10%)	(3.90%)
Effect of Tax Cuts and Jobs Act (as a percent)	1.60%	0.30%	0.10%
Subpart F income (as a percent)	0.00%	0.00%	(0.10%)
Unrecognized tax benefits (as a percent)	(1.10%)	(0.70%)	0.00%
Other (as a percent)	0.90%	(0.10%)	1.30%
Withholding tax on foreign distributions (as a percentage)	2.10%	0.00%	0.00%
Provision for income taxes (as a percent)	21.90%	18.90%	26.60%
Noncurrent deferred tax assets:
Employee benefit plans	$ 1,735	$ 2,241
Net operating loss and tax credit carryforwards	6,711	7,277
Accrued expenses and reserves	2,997	2,494
Research and development costs	11,069	8,363
Other	439	502
Total noncurrent deferred tax assets	22,951	20,877
Valuation allowance	(2,262)	(2,648)
Net noncurrent deferred tax assets:	20,689	18,229
Net noncurrent deferred tax liabilities:
Property and equipment	2,812	2,949
Goodwill and intangibles	11,762	10,754
Interest rate swap derivatives	570	1,019
Other	71	84
Total noncurrent deferred tax liabilities	15,215	14,806
Noncurrent deferred income tax assets	9,116	7,760
Noncurrent deferred income tax liabilities	(3,642)	(4,337)
Net deferred tax asset/(deferred tax liability)	5,474	3,423
Foreign Tax Credits
Net noncurrent deferred tax liabilities:
Tax Credits Carryforwards		$ 92
Domestic | Foreign Tax Credits
Net noncurrent deferred tax liabilities:
Tax Credits Carryforwards	1,002
Domestic | R&D Tax Credits
Net noncurrent deferred tax liabilities:
Tax Credits Carryforwards	9
State
Net noncurrent deferred tax liabilities:
Net Operating Losses	10,265
State | R&D and Manufacturing Credits
Net noncurrent deferred tax liabilities:
Tax Credits Carryforwards	507
International
Net noncurrent deferred tax liabilities:
Net Operating Losses - Unlimited Carryforward	16,730
International | Investment Tax Credits
Net noncurrent deferred tax liabilities:
Tax Credits Carryforwards	$ 449