Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2021

The following tables provide the components of net periodic benefit costs for the three- and nine-month periods ended September 30, 2021 and 2020.


	Employees'		Select Executive		Postretirement
	Pension		Retirement		Benefit
	Plan		Plan		Plans
Net Periodic (Benefit) Cost
For the Three Months Ended September 30, 2021:
Service Cost 1	$	484	$	146	$	27
Interest Cost 2	340		48		62
Expected Return on Plan Assets 2	(945)		—		—
Amortization of Prior Service Cost 2	20		12		27
Amortization of Net Loss (Gain) 2	—		44		(22)
Net Periodic (Benefit) Cost	$	(101)	$	250	$	94

Plan Contributions During the Period	$	—	$	118	$	32


For the Three Months Ended September 30, 2020:
Service Cost 1	$	416	$	102	$	30
Interest Cost 2	387		48		78
Expected Return on Plan Assets 2	(902)		—		—
Amortization of Prior Service Cost 2	15		11		27
Amortization of Net Loss 2	20		37		—
Net Periodic (Benefit) Cost	$	(64)	$	198	$	135

Plan Contributions During the Period	$	—	$	116	$	54

Net Periodic Benefit Cost
For the Nine Months Ended September 30, 2021:
Service Cost 1	$	1,451	$	437	$	82
Interest Cost 2	1,023		143		186
Expected Return on Plan Assets 2	(2,835)		—		—
Amortization of Prior Service Cost 2	59		36		80
Amortization of Net Loss (Gain) 2	—		134		(66)
Net Periodic (Benefit) Cost	$	(302)	$	750	$	282

Plan Contributions During the Period	$	—	$	354	$	87

Estimated Future Contributions in the Current Fiscal Year	$	—	$	118	$	32

For the Nine Months Ended September 30, 2020:
Service Cost 1	$	1,247	$	306	$	92
Interest Cost 2	1,159		144		233
Expected Return on Plan Assets 2	(2,706)		—		—
Amortization of Prior Service Cost 2	47		32		80
Amortization of Net Loss 2	61		110		—
Net Periodic (Benefit) Cost	$	(192)	$	592	$	405

Plan Contributions During the Period	$	—	$	349	$	191

Footnotes:

1. Included in Salaries and Employee Benefits on the Consolidated Statements of Income

2. Included in Other Operating Expense on the Consolidated Statements of Income