Defined Benefit Pension Plans (Tables)

9 Months Ended

Sep. 30, 2023

The following table presents components of net periodic benefit cost and other amounts recognized in other comprehensive income (loss), on a pre-tax basis:


(Dollars in thousands)	Qualified Pension Plan				Non-Qualified Retirement Plans
	Three Months		Nine Months		Three Months		Nine Months
Periods ended September 30,	2023	2022	2023	2022	2023	2022	2023	2022
Net Periodic Benefit Cost:
Service cost (1)	$351	$516	$1,052	$1,547	$39	$54	$117	$163
Interest cost (2)	884	592	2,655	1,776	176	105	529	317
Expected return on plan assets (2)	(1,147)	(1,159)	(3,442)	(3,476)	—	—	—	—

Recognized net actuarial loss (2)	—	255	—	765	59	173	178	519

Net periodic benefit cost	$88	$204	$265	$612	$274	$332	$824	$999

(1)Included in salaries and employee benefits expense in the Unaudited Consolidated Statements of Income.

(2)Included in other expenses in the Unaudited Consolidated Statements of Income.

Schedule of Assumptions Used for Net Periodic Benefit Cost

The following table presents the measurement date and weighted-average assumptions used to determine net periodic benefit cost:


	Qualified Pension Plan		Non-Qualified Retirement Plans
For the nine months ended September 30,	2023	2022	2023	2022
Measurement date	Dec 31, 2022	Dec 31, 2021	Dec 31, 2022	Dec 31, 2021
Equivalent single discount rate for benefit obligations	5.54%	3.00%	5.50%	2.89%
Equivalent single discount rate for service cost	5.60	3.11	5.61	3.16
Equivalent single discount rate for interest cost	5.43	2.67	5.40	2.48
Expected long-term return on plan assets	5.25	5.25	N/A	N/A
Rate of compensation increase	5.00	3.75	5.00	3.75