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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 Shares
Class A Common Shares
Common Stock
Class A Common Shares
Treasury Shares
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             4,781    
Common shares issued under share incentive plans, net of forfeitures           15,156      
Common shares issued to directors           24,810      
Number at Mar. 31, 2022           10,614,555 22,277 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             $ (120)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     (19,287)            
Unrealized foreign currency translation gains (losses) $ 111   111            
Other comprehensive income (loss), net of tax (19,176)   (19,176)            
Net income (loss) (14,773)     (14,773)          
Preferred share distributions (110)     (110)          
Dividends/ Distribution to shareholders       3,647          
Share compensation plans   860              
Balance at Mar. 31, 2022 669,655 448,266 (12,772) 230,771 (610)     $ 4,000  
Number at Dec. 31, 2022           10,876,041 802,381 4,000 3,793,612
Class A common shares purchased             253,302    
Common shares issued under share incentive plans, net of forfeitures           25,913      
Common shares issued to directors           26,426      
Number at Mar. 31, 2023           10,928,380 1,055,683 4,000 3,793,612
Balance at Dec. 31, 2022 626,229 451,305 (43,058) 233,468 19,486,000     $ 4,000  
Class A common shares purchased, at cost             $ (6,552)    
Other comprehensive income (loss):                  
Change in unrealized holding gains (losses)     8,644            
Unrealized foreign currency translation gains (losses) (201)   (201)            
Other comprehensive income (loss), net of tax 8,443   8,443            
Net income (loss) 2,494     2,494          
Preferred share distributions (110)     (110)          
Dividends/ Distribution to shareholders       3,346          
Share compensation plans   1,080              
Balance at Mar. 31, 2023 $ 628,238 $ 452,385 $ (34,615) $ 232,506 $ 26,038     $ 4,000