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Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Abstract]  
Accumulated Other Comprehensive Income (Loss)
(7) Accumulated Other Comprehensive Income (Loss)

The following is a summary of the accumulated other comprehensive (loss) income balances, net of tax:

 
  
Three months ended September 30, 2023
  
         
    Amount    
       
          Other     reclassified     Other        
          Comprehensive     from Accumulated     Comprehensive loss-        
    Balance at     loss-Before     Other Comprehensive     Three months ended     Balance at  
(dollars in thousands)
  
7/1/2023
    
Reclassifications
    
Income
    
9/30/2023
    
9/30/2023
  
 
                              
Net unrealized holding loss on securities available for sale, net of tax
  
$
(31,125
)
    
(5,212
)
  
-
      
(5,212
)
    
(36,337
)
Net change in overfunded position in pension and postretirement plans arising during the year, net of tax
    
7,588
      
-
      
-
      
-
      
7,588
  
Net change in net actuarial gain and prior service credit on pension and postretirement benefit plans, net of tax
    
(2,675
)
    
-
      
(82
)
    
(82
)
    
(2,757
)
                                         
Accumulated other comprehensive loss, net of tax
  
$
(26,212
)
    
(5,212
)
    
(82
)
    
(5,294
)
    
(31,506
)

 
Three months ended September 30, 2022
  
         
    Amount    
       
          Other     reclassified     Other        
          Comprehensive     from Accumulated     Comprehensive loss-        
    Balance at     loss-Before     Other Comprehensive     Three months ended     Balance at  
(dollars in thousands)
  
7/1/2022
    
Reclassifications
    
Income
    
9/30/2022
    
9/30/2022
  
                               
Net unrealized holding gain on securities available for sale, net of tax
  
$
(21,106
)
    
(15,522
)
    
-
      
(15,522
)
    
(36,628
)
Net change in overfunded position in pension and postretirement plans arising during the year, net of tax
    
13,706
      
-
      
-
      
-
      
13,706
  
Net change in net actuarial gain and prior service cost on pension and postretirement benefit plans, net of tax
    
(2,022
)
    
-
      
(265
)
    
(265
)
    
(2,287
)
                                         
Accumulated other comprehensive loss, net of tax
  
$
(9,422
)
    
(15,522
)
    
(265
)
    
(15,787
)
    
(25,209
)

 
  
Nine months ended September 30, 2023
  
         
    Amount    
       
          Other     reclassified     Other        
          Comprehensive     from Accumulated     Comprehensive loss-        
    Balance at     loss-Before     Other Comprehensive
     Nine months ended     Balance at  
(dollars in thousands)
  
1/1/2023
    
Reclassifications
    
Income
    
9/30/2023
    
9/30/2023
  
 
                              
Net unrealized holding loss on securities available for sale, net of tax
  
$
(32,271
)
  

(4,066
)
  

-
    

(4,066
)
  

(36,337
)
Net change in overfunded position in pension and postretirement plans arising during the year, net of tax
    
7,588
      
-
      
-
      
-
      
7,588
  
Net change in net actuarial gain and prior service cost on pension and postretirement benefit plans, net of tax
    
(2,511
)
    
-
      
(246
)
    
(246
)
    
(2,757
)
                                         
Accumulated other comprehensive loss, net of tax
  
$
(27,194
)
  

(4,066
)
  

(246
)
  

(4,312
)
  

(31,506
)

 
Nine months ended September 30, 2022
  
         
    Amount    
       
          Other     reclassified     Other        
          Comprehensive     from Accumulated     Comprehensive loss-        
    Balance at     loss-Before     Other Comprehensive     Nine months ended     Balance at  
(dollars in thousands)
  
1/1/2022
    
Reclassifications
    
Income
    
9/30/2022
    
9/30/2022
  
                               
Net unrealized holding gain on securities available for sale, net of tax
  
$
(26
)
    
(36,602
)
  
-
      
(36,602
)
    
(36,628
)
Net change in overfunded position in pension and postretirement plans arising during the year, net of tax
    
13,706
      
-
      
-
      
-
      
13,706
  
Net change in net actuarial gain and prior service credit on pension and postretirement benefit plans, net of tax
    
(1,533
)
    
-
      
(754
)
    
(754
)
    
(2,287
)
                                         
Accumulated other comprehensive income (loss), net of tax
  
$
12,147
      
(36,602
)
    
(754
)
    
(37,356
)
    
(25,209
)

The following represents the reclassifications out of accumulated other comprehensive income (loss) for the three and nine months ended September 30, 2023 and 2022:

(dollars in thousands)
  
Three months ended
    
Nine months ended
    
   
September 30,
    
September 30,
    
   
2023
    
2022
    
2023
    
2022
   Affected Line Item in Financial Statements
Amortization of pension and postretirement benefit items:
                                  
Amortization of net actuarial gain
  
$
115
      
280
    
$
343
      
784
   Salaries and employee benefits
Amortization of prior service credit (cost)
   
(4
)
    
78
   
(10
)
    
235
   Salaries and employee benefits
Income tax (benefit) expense
    
(29
)
    
(93
)
    
(87
)
    
(265
)
 Income taxes
Net of tax
    
82
      
265
      
246
      
754
    
                                                 
Total reclassifications, net of tax
  
$
82
      
265
    
$
246
      
754