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Employee Benefit Plans
 6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans

The following are components of the net periodic benefit cost for the pension and post-retirement benefit plans maintained by the Company for the three and six months ended June 30, 2016 and 2015:
 
Pension Benefits
(in thousands)
Three months ended June 30,
 
Six months ended June 30,
2016
 
2015
 
2016
2015
Service cost
$
—

 
$
63

 
$
—

$
118

Interest cost
48

 
(1,118
)
 
97

91

Expected return on plan assets
—

 
1,561

 
—

—

Recognized net actuarial loss
37

 
388

 
73

758

Benefit cost
$
85

 
$
894

 
$
170

$
967


 
Post-retirement Benefits
(in thousands)
Three months ended June 30,
 
Six months ended June 30,
2016
 
2015
 
2016
2015
Service cost
$
167

 
$
210

 
$
380

$
450

Interest cost
370

 
386

 
775

792

Amortization of prior service cost
(89
)
 
(136
)
 
(177
)
(272
)
Recognized net actuarial loss
149

 
367

 
384

759

Benefit cost
$
597

 
$
827

 
$
1,362

$
1,729