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INCOME TAXES - Components (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income before income taxes      
United States $ 10,947 $ 31,183 $ 41,220
Foreign 10,819 6,914 9,165
INCOME BEFORE INCOME TAXES $ 21,766 $ 38,097 $ 50,385