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Employee Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
The components of the Company’s net pension expense were as follows:
 
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
 
2014
 
2013
 
2014
 
2013
 
 
 
(Dollars in thousands)
 
Benefits earned during the period
 
$
240
 
$
447
 
$
631
 
$
832
 
Interest cost on projected benefit obligation
 
 
630
 
 
608
 
 
1,292
 
 
1,186
 
Expected return on plan assets
 
 
(598)
 
 
(525)
 
 
(1,171)
 
 
(1,044)
 
Net amortization and deferral
 
 
156
 
 
441
 
 
354
 
 
822
 
Net pension expense
 
$
428
 
$
971
 
$
1,106
 
$
1,796