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Consolidated Statements of Changes in Equity - USD ($)
$ in Thousands
Total
Common Shares [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Non-Controlling Interest [Member]
Common Stock Outstanding [Member]
Balance at Beginning of Period at Dec. 31, 2022 $ 188,954 $ 1,194 $ 102,254 $ 85,949 $ (3,777) $ (1,362) $ 4,696  
Balance at Beginning of Period at Dec. 31, 2022   46,699,102       (67,168)   46,631,934
Stock-based compensation 8,984   8,981     $ 3    
Stock-based compensation (shares)           150   150
Repurchase of common stock (1)         $ (1)    
Repurchase of common stock (shares)           (57)   (57)
Dividends paid (467)     (467)        
Pension and other postretirement benefit plans, net of income taxes 29       29      
New share issuance 0 $ 0 0          
New share issuance (shares)   2,000           2,000
Interest rate swaps, net of income taxes 210       210      
Net income 2,442     2,373     69  
Balance at End of Period at Mar. 31, 2023 $ 200,151 $ 1,194 111,235 87,855 (3,538) $ (1,360) 4,765  
Balance at End of Period at Mar. 31, 2023   46,701,102       (67,075)   46,634,027
Cash Dividends per Share $ 0.01              
Balance at Beginning of Period at Dec. 31, 2023 $ 229,807 $ 469 110,011 120,756 (4,972) $ (1,449) 4,992  
Balance at Beginning of Period at Dec. 31, 2023   46,938,557       (82,021)   46,856,536
Stock-based compensation 4,820   4,631     $ 189    
Stock-based compensation (shares)           10,675   10,675
Repurchase of common stock $ (44)         $ (44)    
Repurchase of common stock (shares) 2,845         (2,845)   (2,845)
Dividends paid $ (468)     (468)        
Pension and other postretirement benefit plans, net of income taxes 47       47      
New share issuance 0 $ 0 0          
New share issuance (shares)   0           0
Interest rate swaps, net of income taxes (235)       (235)      
Net income 3,490     3,220     270  
Balance at End of Period at Mar. 31, 2024 $ 237,417 $ 469 $ 114,642 $ 123,508 $ (5,160) $ (1,304) $ 5,262  
Balance at End of Period at Mar. 31, 2024   46,938,557       (74,191)   46,864,366
Cash Dividends per Share $ 0.01