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Consolidated Statements of Changes in Equity Statement - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Loss
Noncontrolling Interest
Balance at Dec. 31, 2020 $ 1,445,903 $ 1,267 $ 1,228,446 $ (703,032) $ 1,013,155 $ (94,214) $ 281
Balance, shares at Dec. 31, 2020   52,734,049          
Net (loss) income (8,621)       (8,665)   44
Other comprehensive loss (42,901)         (42,845) (56)
Stock issued under employee stock plans 2,854 $ 1 3,335 (482)      
Stock issued under employee stock plans, shares   62,436          
Share-based compensation 8,492   8,492        
Balance at Mar. 31, 2021 1,405,727 $ 1,268 1,240,273 (703,514) 1,004,490 (137,059) 269
Balance, shares at Mar. 31, 2021   52,796,485          
Balance at Dec. 31, 2021 1,255,524 $ 1,275 1,274,118 (931,212) 1,083,882 (172,582) 43
Balance, shares at Dec. 31, 2021   51,147,884          
Net (loss) income 8,290       8,297   (7)
Other comprehensive loss (21,114)         (21,077) (37)
Stock issued under employee stock plans 2,132 $ (1) 1,989 142      
Stock issued under employee stock plans, shares   40,173          
Share-based compensation 9,803   9,803        
Repurchase of shares (70,351)     (70,351)      
Repurchase of shares, shares   (639,535)          
Adoption of ASU 2020-06 | ASU 2020-06 [Member] (40,690)   (74,080)   33,390    
Balance at Mar. 31, 2022 $ 1,143,594 $ 1,276 $ 1,211,830 $ (1,001,421) $ 1,125,569 $ (193,659) $ (1)
Balance, shares at Mar. 31, 2022   50,548,522