Pension & Postretirement Medical Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Schedule of Defined Benefit Pension Plan

The following table presents the net periodic pension cost 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)	2019			2018			2019			2018
Service cost – benefits earned during year	$	560		$	707		$	1,114		$	1,406
Interest cost on projected benefit obligation		1,313			1,228			2,611			2,442
Expected return on plan assets		(2,211	)		(2,390	)		(4,398	)		(4,753	)
Amortization of prior service cost		6			7			13			13
Amortization of net loss		808			758			1,607			1,508
Net periodic pension cost	$	476		$	310		$	947		$	616