Pensions

9 Months Ended

Sep. 30, 2019

Pensions [Abstract]

Pensions

11.  Pensions

Components of Net Periodic Pension Cost

	Three Months Ended September 30						Nine Months Ended September 30
	2019			2018			2019			2018
Service cost	$	213		$	253		$	637		$	761
Interest cost		412			378			1,234			1,136
Expected return on plan assets		(684	)		(698	)		(2,050	)		(2,094	)
Amortization of actuarial loss		106			102			316			305
Amortization of prior service cost		(4	)		(3	)		(10	)		(10	)
Rate-regulated adjustment		532			543			1,598			1,627
Net periodic pension expense	$	575		$	575		$	1,725		$	1,725

Pension service cost is recorded in operating expenses.  All other components of net periodic pension cost are recorded as other pension costs in other income (expenses).

Employer Contributions

The Company previously disclosed in its financial statements for the year ended December 31, 2018 that it expected to contribute $2,300 to its pension plans in 2019.  For the nine months ended September 30, 2019, contributions of $1,725 have been made.  The Company expects to contribute the remaining $575 during the final quarter of 2019.