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Unaudited Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Total
Preferred Shares
Common Shares
Additional Paid-in Capital
Accumulated Deficit
Treasury Shares
Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interest
Beginning balance at Dec. 31, 2020 $ 375,357 $ 60,016   $ 1,578,315 $ (907,727) $ (6,930) $ (348,989) $ 672
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) (8,393)       (8,927)     534
Currency translation adjustment (15,417)           (15,371) (46)
Dividends paid (130)             (130)
Dividends attributable to Class A preferred shares 0 1,440     (1,440)      
Common shares repurchased (445)       (445)      
Share-based compensation 1,813     2,933   (1,120)    
Ending balance at Sep. 30, 2021 352,785 61,456   1,581,248 (918,539) (8,050) (364,360) 1,030
Beginning balance at Jun. 30, 2021 363,405 60,974   1,580,213 (918,156) (8,050) (352,171) 595
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 1,022       544     478
Currency translation adjustment (12,217)           (12,189) (28)
Dividends paid (15)             (15)
Dividends attributable to Class A preferred shares 0 482     (482)      
Common shares repurchased (445)       (445)      
Share-based compensation 1,035     1,035        
Ending balance at Sep. 30, 2021 352,785 61,456   1,581,248 (918,539) (8,050) (364,360) 1,030
Beginning balance at Dec. 31, 2021 363,111 61,941   1,582,442 (912,951) (8,050) (361,883) 1,612
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 18,401       16,695     1,706
Currency translation adjustment (32,757)           (32,525) (232)
Dividends paid (197)             (197)
Dividends attributable to Class A preferred shares 0 1,469     (1,469)      
Common shares repurchased (14,209)       (14,209)      
Share-based compensation 1,848     2,861   (1,013)    
Ending balance at Sep. 30, 2022 $ 336,197 $ 63,410   1,585,303 (911,934) (9,063) (394,408) 2,889
Beginning balance (in shares) at Dec. 31, 2021 9,042 9,042            
Beginning balance (in shares) at Dec. 31, 2021 14,111,221   14,111,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Share-based compensation (in shares)   0 100,000          
Common shares repurchased (in shares)   0 (498,000)          
Ending balance (in shares) at Sep. 30, 2022 9,042 9,042            
Ending balance (in shares) at Sep. 30, 2022 13,712,661   13,713,000          
Beginning balance at Jun. 30, 2022 $ 363,520 $ 62,918   1,584,416 (903,492) (9,063) (373,841) 2,582
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 6,263       5,717     546
Currency translation adjustment (20,745)           (20,567) (178)
Dividends paid (61)             (61)
Dividends attributable to Class A preferred shares 0 492     (492)      
Common shares repurchased (13,667)       (13,667)      
Share-based compensation 887     887        
Ending balance at Sep. 30, 2022 $ 336,197 $ 63,410   $ 1,585,303 $ (911,934) $ (9,063) $ (394,408) $ 2,889
Ending balance (in shares) at Sep. 30, 2022 9,042 9,042            
Ending balance (in shares) at Sep. 30, 2022 13,712,661   13,713,000