Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Net Periodic Benefit
	Pension Benefits						Other  Postretirement  Benefits
	Three Months Ended September 30,						Three Months Ended September 30,
	2018			2017			2018			2017
Service cost	$	1		$	1		$	—		$	—
Interest cost	36			36			1			2
Expected return on plan assets	(57		)	(55		)	(2		)	(2		)
Amortization of prior service credit	—			—			(2		)	(2		)
Amortization of actuarial loss	12			11			2			1
Settlements	—			—			—			—
Net periodic benefit	$	(8	)	$	(7	)	$	(1	)	$	(1	)

Net Periodic Cost (Benefit)
	Pension Benefits						Other  Postretirement  Benefits
	Nine months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Service cost	$	3		$	3		$	—		$	6
Interest cost	107			134			4			(6		)
Expected return on plan assets	(172		)	(214		)	(5		)	(5		)
Amortization of prior service credit	—			—			(5		)	—
Amortization of actuarial loss	37			41			5			4
Settlements	—			750			—			—
Net periodic cost (benefit)	$	(25	)	$	714		$	(1	)	$	(1	)