Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for defined benefit pension plans are summarized in the following table:

		Three Months Ended June 30,						Six Months Ended June 30,
	Location	2019			2018			2019			2018
Service cost	Personnel expense	$	55		$	60		$	109		$	120
Interest cost	Other expense	54			50			111			100
Estimated return on plan assets	Other expense	(114		)	(112		)	(227		)	(224		)
Amortization and other	Other expense	26			19			51			39
Net periodic benefit cost		$	21		$	17		$	44		$	35