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Employee Benefit Plans
6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
Defined Benefit Plans
We sponsor a noncontributory qualified retirement plan. The components of net periodic benefit cost for this plan are as follows (in thousands):
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2015
 
2014
 
2015
 
2014
Service cost
$
321

 
$
252

 
$
643

 
$
504

Interest cost
476

 
450

 
952

 
900

Expected return on plan assets
(797
)
 
(740
)
 
(1,569
)
 
(1,480
)
Recognized loss
360

 
96

 
720

 
192

Total
$
360

 
$
58

 
$
746

 
$
116


For the six months ended June 30, 2015 and 2014, we contributed $1.5 million and $2.1 million, respectively, to the qualified retirement plan. Currently, we do not anticipate making any additional contributions to this plan during 2015.
Defined Contribution Plans
Compensation expense related to our defined contribution plans was $.8 million for both the three months ended June 30, 2015 and 2014, and $2.1 million and $1.7 million for the six months ended June 30, 2015 and 2014, respectively.