Pension Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Summarization of Components of Net Periodic Pension Cost

The following table summarizes the components of net periodic pension cost for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands)	2019			2018			2019			2018
Service cost	$	366		$	294		$	1,109		$	905
Interest cost		158			179			479			551
Expected return on plan assets		(346	)		(381	)		(1,049	)		(1,174	)
Amortization of actuarial losses		198			61			600			188
Net periodic pension cost	$	376		$	153		$	1,139		$	470