Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2021

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,
	2021			2020			2021			2020
Interest cost	$	38		$	48		$	114		$	144
Expected return on assets		(48	)		(51	)		(144	)		(153	)
Amortization of net loss		21			20			63			60
Net periodic pension cost	$	11		$	17		$	33		$	51