Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2019

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,
	2019			2018			2019			2018
Interest cost	$	60		$	56		$	120		$	112
Expected return on assets		(46	)		(79	)		(92	)		(158	)
Amortization of net loss		24			21			48			42
Net periodic pension cost	$	38		$	(2	)	$	76		$	(4	)