Pensions

6 Months Ended

Jun. 30, 2020

Pensions [Abstract]

Pensions

12.  Pensions

Components of Net Periodic Pension Cost

	Three Months Ended June 30						Six Months Ended June 30
	2020			2019			2020			2019
Service cost	$	235		$	212		$	469		$	424
Interest cost		364			411			728			822
Expected return on plan assets		(800	)		(683	)		(1,599	)		(1,366	)
Amortization of actuarial loss		93			105			185			210
Amortization of prior service cost		(3	)		(3	)		(6	)		(6	)
Rate-regulated adjustment		686			533			1,373			1,066
Net periodic pension expense	$	575		$	575		$	1,150		$	1,150

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, 2019 that it expected to contribute $2,300 to its pension plans in 2020.  For the six months ended June 30, 2020, contributions of $1,150 have been made.  The Company expects to contribute the remaining $1,150 during the final two quarters of 2020.