Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2020

Compensation And Retirement Disclosure [Abstract]

Net periodic pension cost

Net periodic pension cost is as follows:

	For the Quarter Ended September 30,						For the Nine Months Ended September 30,
	2020			2019			2020			2019
Interest cost	$	48		$	60		$	144		$	180
Expected return on assets		(51	)		(46	)		(153	)		(138	)
Amortization of net loss		20			24			60			72
Net periodic pension cost	$	17		$	38		$	51		$	114