Other Comprehensive Income (Loss) (Tables)
 6 Months Ended
Jun. 30, 2016
Stockholders' Equity Note [Abstract]  
Schedule of tax effect allocated to each component of other comprehensive income

The following tables present reclassifications out of the accumulated other comprehensive income for the three and six month periods ended June 30, 2016 and 2015.

 

    Three months ended June 30, 2016
     
(in thousands)   Before-Tax Amount   Tax (Expense) Benefit   Net of Tax
Available-for-sale securities:                        
Change in net unrealized gain/loss during the period   $ 8,362     $ (3,344 )   $ 5,018  
Reclassification adjustment for net realized gain on sale of  available-for-sale securities included in net income     (240 )     96       (144 )
Net unrealized gains     8,122       (3,248 )     4,874  
                         
Employee benefit plans:                        
Amortization of net retirement plan actuarial gain     326       (131 )     195  
Amortization of net retirement plan prior service cost     8       (3 )     5  
Employee benefit plans     334       (134 )     200  
Other comprehensive income   $ 8,456     $ (3,382 )   $ 5,074  

 

    Three months ended June 30, 2015
     
(in thousands)   Before-Tax Amount   Tax (Expense) Benefit   Net of Tax
Available-for-sale securities:            
Change in net unrealized gain/loss during the period   $ (12,041 )   $ 4,817     $ (7,224 )
Reclassification adjustment for net realized gain on sale of  available-for-sale securities included in net income     (723 )     289       (434 )
Net unrealized losses     (12,764 )     5,106       (7,658 )
                         
Employee benefit plans:                        
Net retirement plan gain due to curtailment     (5,326 )     2,130       (3,196 )
Net retirement plan prior service cost     1,950       (780 )     1,170  
Amortization of net retirement plan actuarial loss     729       (290 )     439  
Amortization of net retirement plan prior service credit     (190 )     76       (114 )
Employee benefit plans     (2,837 )     1,136       (1,701 )
Other comprehensive loss   $ (15,601 )   $ 6,242     $ (9,359 )
   

 

Six months ended June 30, 2016
     
(in thousands)   Before-Tax Amount   Tax (Expense) Benefit   Net of Tax
Available-for-sale securities:            
Change in net unrealized gain/loss during the period   $ 29,317     $ (11,724 )   $ 17,593  
Reclassification adjustment for net realized gain on sale of  available-for-sale securities included in net income     (472 )     189       (283 )
Net unrealized gains     28,845       (11,535 )     17,310  
                         
Employee benefit plans:                        
Amortization of net retirement plan actuarial loss     669       (268 )     401  
Amortization of net retirement plan prior service cost     38       (15 )     23  
Employee benefit plans     707       (283 )     424  
Other comprehensive income   $ 29,552     $ (11,818 )   $ 17,734  

 

    Six months ended June 30, 2015
     
(in thousands)   Before-Tax Amount   Tax (Expense) Benefit   Net of Tax
Available-for-sale securities:            
Change in net unrealized gain/loss during the period   $ (2,721 )   $ 1,089     $ (1,632 )
Reclassification adjustment for net realized gain on sale of  available-for-sale securities included in net income     (1,013 )     405       (608 )
Net unrealized losses     (3,734 )     1,494       (2,240 )
                         
Employee benefit plans:                        
Recognized actuarial gain due to curtailment     (5,326 )     2,130       (3,196 )
Net retirement plan gain     1,950       (780 )     1,170  
Amortization of net retirement plan actuarial gain     1,462       (585 )     877  
Amortization of net retirement plan prior service credit     (369 )     148       (221 )
Employee benefit plans     (2,283 )     913       (1,370 )
                         
Other comprehensive loss   $ (6,017 )   $ 2,407     $ (3,610 )

 
Schedule of accumulated other comprehensive income

The following table presents the activity in our accumulated other comprehensive income (loss) for the periods indicated:

 

(in thousands)   Available-for-Sale Securities   Employee Benefit Plans   Accumulated Other Comprehensive (Loss) Income
Balance at March 31, 2016   $ 9,692     $ (28,033 )   $ (18,341 )
Other comprehensive income before reclassifications     5,018       0       5,018  
Amounts reclassified from accumulated other comprehensive (loss) income     (144 )     200       56  
Net current-period other comprehensive income     4,874       200       5,074  
Balance at June 30, 2016   $ 14,566     $ (27,833 )   $ (13,267 )
                         
Balance at January 1, 2016   $ (2,744 )   $ (28,257 )   $ (31,001 )
Other comprehensive income before reclassifications     17,593       0       17,593  
Amounts reclassified from accumulated other comprehensive (loss) income     (283 )     424       141  
Net current-period other comprehensive income     17,310       424       17,734  
Balance at June 30, 2016   $ 14,566     $ (27,833 )   $ (13,267 )

 

(in thousands)   Available-for-Sale Securities   Employee Benefit Plans   Accumulated Other Comprehensive (Loss) Income
Balance at March 31, 2015   $ 8,285     $ (26,547 )   $ (18,262 )
Other comprehensive loss before reclassifications     (7,224 )     0       (7,224 )
Amounts reclassified from accumulated other comprehensive loss     (434 )     (1,701 )     (2,135 )
Net current-period other comprehensive loss     (7,658 )     (1,701 )     (9,359 )
Balance at June 30, 2015   $ 627     $ (28,248 )   $ (27,621 )
                         
Balance at January 1, 2015   $ 2,867     $ (26,878 )   $ (24,011 )
Other comprehensive loss before reclassifications     (1,632 )     0       (1,632 )
Amounts reclassified from accumulated other comprehensive loss     (608 )     (1,370 )     (1,978 )
Net current-period other comprehensive loss     (2,240 )     (1,370 )     (3,610 )
Balance at June 30, 2015   $ 627     $ (28,248 )   $ (27,621 )

 

The following tables present the amounts reclassified out of each component of accumulated other comprehensive (loss) income for the three and six months ended June 30, 2016 and 2015.

 

Three months ended June 30, 2016      
Details about Accumulated other Comprehensive Income
Components (in thousands)		   Amount
Reclassified from
Accumulated
Other
Comprehensive
(Loss) Income1 		   Affected Line Item in the
Statement Where Net Income is
Presented
Available-for-sale securities:        
Unrealized gains and losses on available-for-sale securities   $ 240     Net gain on securities transactions
      (96 )   Tax expense
      144     Net of tax
Employee benefit plans:            
Amortization of the following 2             
Net retirement plan actuarial loss     (326 )   Pension and other employee benefits
Net retirement plan prior service credit     (8 )   Pension and other employee benefits
      (334 )   Total before tax
      134     Tax benefit
      (200 )   Net of tax

 

Six months ended June 30, 2016        
Details about Accumulated other Comprehensive Income Components (in thousands)   Amount
Reclassified from
Accumulated
Other
Comprehensive
(Loss) Income1 		   Affected Line Item in the
Statement Where Net Income is
Presented
Available-for-sale securities:        
Unrealized gains and losses on available-for-sale securities   $ 472     Net gain on securities transactions
      (189 )   Tax expense
      283     Net of tax
Employee benefit plans:            
Amortization of the following 2             
Net retirement plan actuarial loss     (669 )   Pension and other employee benefits
Net retirement plan prior service cost     (38 )   Pension and other employee benefits
      (707 )   Total before tax
      283     Tax benefit
      (424 )   Net of tax

 

Three months ended June 30, 2015        
Details about Accumulated other Comprehensive Income Components (in thousands)   Amount
Reclassified from
Accumulated
Other
Comprehensive Income1 		   Affected Line Item in the
Statement Where Net Income is
Presented
Available-for-sale securities:        
Unrealized gains and losses on available-for-sale securities   $ 723     Net gain on securities transactions
      (289 )   Tax expense
      434     Net of tax
Employee benefit plans:            
Amortization of the following 2             
Net retirement plan actuarial loss     (729 )   Pension and other employee benefits
Net retirement plan prior service cost     190     Pension and other employee benefits
      (539 )   Total before tax
      214     Tax benefit
      (325 )   Net of tax

 

 Six months ended June 30, 2015        
Details about Accumulated other Comprehensive Income Components (in thousands)   Amount
Reclassified from Accumulated
Other
Comprehensive
(Loss) Income1 		   Affected Line Item in the
Statement Where Net Income is
Presented
Available-for-sale securities:        
Unrealized gains and losses on available-for-sale securities   $ 1,013     Net gain on securities transactions
      (405 )   Tax expense
      608     Net of tax
Employee benefit plans:            
Amortization of the following 2             
Net retirement plan actuarial loss     (1,462 )   Pension and other employee benefits
Net retirement plan prior service cost     369     Pension and other employee benefits
      (1,093 )   Total before tax
      436     Tax benefit
      (657 )   Net of tax

  

1 Amounts in parentheses indicated debits in income statement

2 The accumulated other comprehensive (loss) income components are included in the computation of net periodic benefit cost (See Note 10 - “Employee Benefit Plan”)