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Defined Benefit Plans
 3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Defined Benefit Plans
Defined Benefit Plans
The following amounts contained in the following tables relate to the above plans in aggregate for the three months ended March 31, 2013 and 2012:
 
Three Months Ended March 31,
 
2013
 
2012
 
(dollars in thousands)
Components of net periodic benefit cost included in employee compensation and benefits
 
 
 
Service cost
$
—

 
$
—

Interest cost
51

 
53

Expected return on plan assets
(63
)
 
(57
)
Amortization of (loss) / gain
—

 
—

Amortization of prior service cost
5

 
5

Effect of curtailment
—

 
—

Effect of special termination benefits
—

 
—

Effect of settlement
—

 
(2
)
Net periodic benefit cost
$
(7
)
 
$
(1
)