Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2020

Compensation And Retirement Disclosure [Abstract]

Net periodic pension cost

Net periodic pension cost is as follows:

	For the Quarter Ended March 31,
	2020			2019
Interest cost	$	48		$	60
Expected return on assets		(51	)		(46	)
Amortization of net loss		20			24
Net periodic pension cost	$	17		$	38