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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Total
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss), Net of Deferred Income Tax
Retained Earnings
Treasury Stock Common
Class A Common Shares
Common Stock
Class A Common Shares
Treasury Stock Common
Series A Cumulative Fixed Rate Preferred Shares
Preferred Stock
Class B Common Shares
Common Stock
Number at Dec. 31, 2021           10,574,589 17,496 4,000 3,947,206
Class A common shares purchased             15,954    
Common shares issued under share incentive plans, net of forfeitures           50,598      
Common shares issued to directors           50,570      
Number at Jun. 30, 2022           10,675,757 33,450 4,000 3,947,206
Balance at Dec. 31, 2021   $ 447,406 $ 6,404 $ 249,301 $ (490)     $ 4,000  
Class A common shares purchased, at cost             $ (414)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     (32,914)            
Unrealized foreign currency translation gains (losses) $ (115)   (115)            
Other comprehensive income (loss), net of tax (33,029)   (33,029)            
Net income (loss) (26,935)     (26,935)          
Preferred share distributions (220)     (220)          
Dividends/ Distribution to shareholders       (7,389)          
Share compensation plans   2,646              
Balance at Jun. 30, 2022 641,280 450,052 (26,625) 214,757 (904)     $ 4,000  
Number at Mar. 31, 2022           10,614,555 22,277 4,000 3,947,206
Class A common shares purchased             11,173    
Common shares issued under share incentive plans, net of forfeitures           35,442      
Common shares issued to directors           25,760      
Number at Jun. 30, 2022           10,675,757 33,450 4,000 3,947,206
Balance at Mar. 31, 2022   448,266 (12,772) 230,771 (610)     $ 4,000  
Class A common shares purchased, at cost             $ (294)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     (13,626)            
Unrealized foreign currency translation gains (losses) (227)   (227)            
Other comprehensive income (loss), net of tax (13,853)   (13,853)            
Net income (loss) (12,162)     (12,162)          
Preferred share distributions (110)     (110)          
Dividends/ Distribution to shareholders       (3,742)          
Share compensation plans   1,786              
Balance at Jun. 30, 2022 641,280 450,052 (26,625) 214,757 (904)     $ 4,000  
Number at Dec. 31, 2022           10,876,041 802,381 4,000 3,793,612
Class A common shares purchased             468,860    
Common shares issued under share incentive plans, net of forfeitures           75,541      
Common shares issued to directors           48,705      
Number at Jun. 30, 2023           11,000,287 1,271,241 4,000 3,793,612
Balance at Dec. 31, 2022 626,229 451,305 (43,058) 233,468 (19,486)     $ 4,000  
Class A common shares purchased, at cost             $ (12,677)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     6,046            
Unrealized foreign currency translation gains (losses) (159)   (159)            
Other comprehensive income (loss), net of tax 5,887   5,887            
Net income (loss) 11,831     11,831          
Preferred share distributions (220)     (220)          
Dividends/ Distribution to shareholders       (6,764)          
Share compensation plans   2,122              
Balance at Jun. 30, 2023 626,408 453,427 (37,171) 238,315 (32,163)     $ 4,000  
Number at Mar. 31, 2023           10,928,380 1,055,683 4,000 3,793,612
Class A common shares purchased             215,558    
Common shares issued under share incentive plans, net of forfeitures           49,628      
Common shares issued to directors           22,279      
Number at Jun. 30, 2023           11,000,287 1,271,241 4,000 3,793,612
Balance at Mar. 31, 2023   452,385 (34,615) 232,506 (26,038)     $ 4,000  
Class A common shares purchased, at cost             $ (6,125)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     (2,598)            
Unrealized foreign currency translation gains (losses) 42   42            
Other comprehensive income (loss), net of tax (2,556)   (2,556)            
Net income (loss) 9,337     9,337          
Preferred share distributions (110)     (110)          
Dividends/ Distribution to shareholders       (3,418)          
Share compensation plans   1,042              
Balance at Jun. 30, 2023 $ 626,408 $ 453,427 $ (37,171) $ 238,315 $ (32,163)     $ 4,000