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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Mar. 31, 2018
Stockholders' Equity Note [Abstract]  
Schedule of accumulated other comprehensive loss
The components of accumulated other comprehensive loss, net of taxes, are as follows:
 
In thousands
 
Unrealized Losses on
Securities
 
Pension
Liability
 
Accumulated Other
Comprehensive Loss
BALANCE — MARCH 31, 2018
 
$
(2,246
)
 
$
(6,035
)
 
$
(8,281
)
BALANCE — DECEMBER 31, 2017
 
$
(957
)
 
$
(6,135
)
 
$
(7,092
)
BALANCE — MARCH 31, 2017
 
$
(109
)
 
$
(5,648
)
 
$
(5,757
)