Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Net periodic pension cost

Net periodic pension cost is as follows:

	For the Quarter Ended June 30,						For the Six Months Ended June 30,
	2021			2020			2021			2020
Interest cost	$	38		$	48		$	76		$	96
Expected return on assets		(48	)		(51	)		(96	)		(102	)
Amortization of net loss		21			20			42			40
Net periodic pension cost	$	11		$	17		$	22		$	34