Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Schedule of Defined Benefit Pension Plan

The following table presents the net periodic pension income for Wesbanco’s Defined Benefit Pension Plan (the “Plan”) and the related components:

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
(unaudited, in thousands)	2021			2020			2021			2020
Service cost – benefits earned during year	$	623		$	568		$	1,239		$	1,136
Interest cost on projected benefit obligation		852			1,121			1,694			2,242
Expected return on plan assets		(2,794	)		(2,594	)		(5,557	)		(5,188	)
Amortization of prior service cost		(9	)		(9	)		(17	)		(18	)
Amortization of net loss		682			794			1,357			1,587
Net periodic pension income	$	(646	)	$	(120	)	$	(1,284	)	$	(241	)