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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2018
Stockholders' Equity Note [Abstract]  
Schedule of the change in the components of the accumulated other comprehensive loss
    Three months ended March 31, 2018  
          Unrecognized Net     Accumulated  
    Unrealized     Pension and     Other  
    Gain (Loss)     Postretirement     Comprehensive  
(in thousands)   on Securities (1)     Costs (2)     (Loss) Income  
Balance at beginning of period   $ (2,500 )   $ (3,162 )   $ (5,662 )
Other comprehensive (loss) income, before reclassifications     (2,171 )     54       (2,117 )
Amounts reclassified from accumulated other comprehensive (loss) income     0       0       0  
Current period other comprehensive (loss) income, before tax     (2,171 )     54       (2,117 )
Income tax expense (benefit)     456       (12 )     444  
Current period other comprehensive (loss) income, net of tax     (1,715 )     42       (1,673 )
Balance at end of period   $ (4,215 )   $ (3,120 )   $ (7,335 )

 

    Three months ended March 31, 2017  
          Unrecognized Net     Accumulated  
    Unrealized     Pension and     Other  
    Gain (Loss)     Postretirement     Comprehensive  
(in thousands)   on Securities (1)     Costs (2)     Loss  
Balance at beginning of period   $ (1,936 )   $ (1,865 )   $ (3,801 )
Other comprehensive income, before reclassifications     493       22       515  
Amounts reclassified from accumulated other comprehensive income (loss)     0       0       0  
Current period other comprehensive income, before tax     493       22       515  
Income tax expense     (187 )     (8 )     (195 )
Current period other comprehensive income, net of tax     306       14       320  
Balance at end of period   $ (1,630 )   $ (1,851 )   $ (3,481 )

 

(1) The pre-tax amounts reclassified from accumulated other comprehensive loss are included in gain on sale of investment securities in the consolidated statements of income.

 

(2) The pre-tax amounts reclassified from accumulated other comprehensive loss are included in the computation of net periodic pension cost.