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Retirement Plan (Tables)
 3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Expected total pension and retirement expense
The expected total pension and retirement expense for the Benefit Plan was as follows for the three months ended March 31, 2013 and 2012:
(In thousands)
2013
 
2012
Cost components:
 
 
 
Service cost-benefits earned during the period
$
(71
)
 
$
(63
)
Interest cost on projected benefit obligation
(94
)
 
(96
)
Expected return on plan assets
114

 
111

Net amortization and deferral
(48
)
 
(105
)
Total net periodic pension cost
$
(99
)
 
$
(153
)
The expected total pension and retirement expense for SERP was as follows for the three months ended March 31, 2013 and 2012:
 
Three Months Ended
(In thousands)
2013
 
2012
Cost components:
 
 
 
Service cost-benefits earned during the period
$
(43
)
 
$
(43
)
Interest cost on projected benefit obligation
(54
)
 
(54
)
Net amortization and deferral
(72
)
 
(16
)
Total net periodic pension cost
$
(169
)
 
$
(113
)