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Consolidated Statements of Stockholders' Equity (Parentheticals) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pension Plan [Member]      
Pension liability adjustment, tax expense/benefit $ 14 $ 102 $ 8
Foreign Exchange Forward [Member]      
Unrealized gain (loss) on cash flow hedges, tax expense/benefit 95 $ 41 $ 9
Interest Rate Swap [Member]      
Unrealized gain (loss) on cash flow hedges, tax expense/benefit $ 213