Pensions and Other Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2018

Pensions and Other Employee Benefit Plans [Abstract]

Components of Net Periodic Cost

The following tables provide the components of net periodic cost for our qualified retirement plan (the “Pension Benefits”) and health care and life insurance benefits for retired employees and dependents (the “Other Benefits”) for the three and nine months ended September 30, 2018 and 2017 (in thousands):

	Pension Benefits				Other  Benefits
	Three Months Ended				Three Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Service cost (1)	$	179	$	175	$	1	$	-
Interest cost (2)		464		490		4		5
Expected return on plan assets (2)		(657)		(531)		—		—
Amortization of net actuarial loss (2)		260		250		—		1
Amortization of prior service credits (2)		—		—		5		6
Net periodic cost	$	246	$	384	$	10	$	12

	Pension Benefits				Other Benefits
	Nine Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Service cost (1)	$	536	$	526	$	1	$	1
Interest cost (2)		1,391		1,470		12		14
Expected return on plan assets (2)		(1,971)		(1,593)		—		—
Amortization of net actuarial loss (2)		780		749		—		3
Amortization of prior service credits (2)		—		—		17		18
Net periodic cost	$	736	$	1,152	$	30	$	36

⁽¹⁾ Included in general and administrative expenses.

⁽²⁾ Included in other expense.