PROPERTY, PLANT AND EQUIPMENT - Long-Lived Assets by Geographical Area (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, excluding intangible assets	$ 237,517	$ 228,096
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, excluding intangible assets	197,432	187,719
Foreign Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, excluding intangible assets	$ 40,085	$ 40,377