REVENUE - Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 440,949	$ 361,311	$ 838,408	$ 712,931
Sales Revenue, Net | Customer Concentration Risk | Applied Materials, Inc.
Disaggregation of Revenue [Line Items]
Percentage of total revenue	20.00%	20.00%	21.00%	20.00%
Sales Revenue, Net | Customer Concentration Risk | Lam Research Corporation
Disaggregation of Revenue [Line Items]
Percentage of total revenue	15.00%	10.00%	14.00%	10.00%
United States
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 174,293	$ 139,525	$ 333,035	$ 271,123
North America (excluding U.S.)
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	31,824	26,112	55,803	52,359
Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	180,181	148,803	342,228	298,394
Europe
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	49,851	44,491	96,516	84,913
Other countries
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,800	2,380	10,826	6,142
Semiconductor Equipment
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	228,797	176,671	431,754	357,387
Industrial and Medical
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	104,951	83,197	187,849	161,612
Data Center Computing
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	69,161	69,458	145,399	128,612
Telecom and Networking
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	38,040	31,985	73,406	65,320
Product
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	403,977	325,522	766,853	644,401
Service
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 36,972	$ 35,789	$ 71,555	$ 68,530