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Employee Benefit Plans
3 Months Ended
Mar. 31, 2019
Retirement Benefits [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
Defined Benefit Plan
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
March 31,
 
2019
 
2018
Service cost
$
325

 
$
333

Interest cost
475

 
325

Expected return on plan assets
(861
)
 
(492
)
Amortization of net loss
288

 
271

Total
$
227

 
$
437


The components of net periodic benefit cost other than the service cost component are included in Interest and Other Income (Expense) in the Condensed Consolidated Statements of Operations.
The expected contribution to be paid to the qualified retirement plan during 2019 is approximately $1 million. During 2018, we contributed $1 million to the qualified retirement plan.
Defined Contribution Plans
Compensation expense related to our defined contribution plans was $1.0 million and $.9 million for the three months ended March 31, 2019 and 2018, respectively.