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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock [Member]
Common Stock and Paid in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Balance, beginning of the period (in shares) at Dec. 31, 2022   34,194,018      
Balance, beginning of the period at Dec. 31, 2022 $ 1,456,432   $ 1,293,959 $ 525,242 $ (362,769)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net Income (Loss) Attributable to Parent 55,555     55,555  
Other Comprehensive Income (Loss), Net of Tax 37,133       37,133
Dividends, Common Stock, Cash       16,691  
Accrual of dividends on common stock (16,691)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   114,522      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered (734)   (734)    
Balance, end of the period (in shares) at Mar. 31, 2023   34,308,540      
Balance, end of the period at Mar. 31, 2023 $ 1,531,695   1,293,225 564,106 (325,636)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Balance, beginning of the period (in shares) at Dec. 31, 2022   34,194,018      
Balance, beginning of the period at Dec. 31, 2022 $ 1,456,432   1,293,959 525,242 (362,769)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net Income (Loss) Attributable to Parent 141,000        
Other Comprehensive Income (Loss), Net of Tax (30,146)        
Balance, end of the period (in shares) at Sep. 30, 2023   34,345,949      
Balance, end of the period at Sep. 30, 2023 $ 1,520,607   1,297,307 616,215 (392,915)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 1.44        
Balance, beginning of the period (in shares) at Mar. 31, 2023   34,308,540      
Balance, beginning of the period at Mar. 31, 2023 $ 1,531,695   1,293,225 564,106 (325,636)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net Income (Loss) Attributable to Parent 39,591     39,591  
Other Comprehensive Income (Loss), Net of Tax (13,812)       (13,812)
Dividends, Common Stock, Cash       16,670  
Accrual of dividends on common stock (16,670)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   36,087      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 1,709   1,709    
Balance, end of the period (in shares) at Jun. 30, 2023   34,344,627      
Balance, end of the period at Jun. 30, 2023 $ 1,542,513   1,294,934 587,027 (339,448)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Net Income (Loss) Attributable to Parent $ 45,854     45,854  
Other Comprehensive Income (Loss), Net of Tax (53,467)       (53,467)
Dividends, Common Stock, Cash       16,666  
Accrual of dividends on common stock (16,666)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   1,322      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 2,373   2,373    
Balance, end of the period (in shares) at Sep. 30, 2023   34,345,949      
Balance, end of the period at Sep. 30, 2023 $ 1,520,607   1,297,307 616,215 (392,915)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Net Income (Loss) Attributable to Parent $ 42,624     42,624  
Other Comprehensive Income (Loss), Net of Tax 103,780       103,780
Dividends, Common Stock, Cash       16,664  
Accrual of dividends on common stock (16,664)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   2,420      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 2,344   2,344    
Balance, end of the period (in shares) at Dec. 31, 2023   34,348,369      
Balance, end of the period at Dec. 31, 2023 $ 1,652,691   1,299,651 642,175 (289,135)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Net Income (Loss) Attributable to Parent $ 37,559     37,559  
Other Comprehensive Income (Loss), Net of Tax (10,347)       (10,347)
Dividends, Common Stock, Cash       16,713  
Accrual of dividends on common stock (16,713)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   46,852      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 1,318   1,318    
Balance, end of the period (in shares) at Mar. 31, 2024   34,395,221      
Balance, end of the period at Mar. 31, 2024 $ 1,664,508   1,300,969 663,021 (299,482)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Balance, beginning of the period (in shares) at Dec. 31, 2023   34,348,369      
Balance, beginning of the period at Dec. 31, 2023 $ 1,652,691   1,299,651 642,175 (289,135)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net Income (Loss) Attributable to Parent 122,507        
Other Comprehensive Income (Loss), Net of Tax 63,592        
Balance, end of the period (in shares) at Sep. 30, 2024   34,456,688      
Balance, end of the period at Sep. 30, 2024 $ 1,793,721   1,304,792 714,472 (225,543)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 1.44        
Balance, beginning of the period (in shares) at Mar. 31, 2024   34,395,221      
Balance, beginning of the period at Mar. 31, 2024 $ 1,664,508   1,300,969 663,021 (299,482)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net Income (Loss) Attributable to Parent 39,795     39,795  
Other Comprehensive Income (Loss), Net of Tax 1,933       1,933
Dividends, Common Stock, Cash       16,737  
Accrual of dividends on common stock (16,737)        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   60,531      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 1,267   1,267    
Balance, end of the period (in shares) at Jun. 30, 2024   34,455,752      
Balance, end of the period at Jun. 30, 2024 $ 1,690,766   1,302,236 686,079 (297,549)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48        
Net Income (Loss) Attributable to Parent $ 45,153     45,153  
Other Comprehensive Income (Loss), Net of Tax 72,006       72,006
Accrual of dividends on common stock (16,760)     (16,760)  
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   936      
Amortization of stock-based compensation related to restricted stock grants, net of shares surrendered 2,556   2,556    
Balance, end of the period (in shares) at Sep. 30, 2024   34,456,688      
Balance, end of the period at Sep. 30, 2024 $ 1,793,721   $ 1,304,792 $ 714,472 $ (225,543)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative dividends declared per common share $ 0.48