Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Components of the net periodic pension and postretirement benefit credit are as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Service cost	$	106	$	117	$	318	$	351
Interest cost	1,322		1,225		3,966		3,675
Expected return on assets	(1,531)		(1,971)		(4,593)		(5,913)
Amortization of prior service cost	12		—		38		—
Amortization of actuarial loss	11		—		31		—
Net periodic pension and postretirement benefit credit	$	(80)	$	(629)	$	(240)	$	(1,887)
Contributions paid	$	—	$	—	$	—	$	—