Employee Benefit Plans

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [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 June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Service cost	$	305		$	309		$	648		$	618
Interest cost	531			499			1,045			997
Expected return on plan assets	(804		)	(729		)	(1,563		)	(1,458		)
Recognized loss	369			376			746			753
Total	$	401		$	455		$	876		$	910

For the six months ended June 30, 2017 and 2016, we contributed $2.5 million and $2.0 million, respectively, to the qualified retirement plan. Currently, we do not anticipate making any additional contributions to this plan during 2017.

Defined Contribution Plans

Compensation expense related to our defined contribution plans was $.9 million for both the three months ended June 30, 2017 and 2016, and $2.1 million and $1.8 million for six months ended June 30, 2017 and 2016, respectively.