Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Summary of Components of Lease Expense

The components of lease expense are as follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating lease cost	$	3	$	6

Summary of Supplemental Cash Flow Information Related to Operating Leases

Supplemental cash flow information related to operating leases is follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Cash paid for amounts included in the    measurement of lease liabilities:
Operating cash outflows from operating    leases	$	3	$	6
Right-of-use assets obtained in exchange for     lease obligations:
Operating leases	$	3	$	8

Summary of Supplemental Balance Sheet Information Related to Operating Leases

Supplemental balance sheet information related to operating leases is follows:

	June 30, 2019
Other assets	$	37
Accrued liabilities		9
Other liabilities		29

	June 30, 2019
Weighted-average lease term	6.62
Weighted-average discount rate	6.52

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities were as follows:

	June 30, 2019
2019	$	6
2020		8
2021		6
2022		5
2023		5
Thereafter		16
Total lease payments		46
Less imputed interest		(8	)
	$	38

Schedule of Future Minimum Lease Payments Under Operating Leases in Accordance with ASC 840

As of December 31, 2018, in accordance with the previous lease standard, ASC 840, future minimumleasepaymentsunder operatingleaseshaving initialnon-cancellablelease termsin excessof one year were as follows:

	December 31, 2018
2019	$	12
2020		8
2021		5
2022		4
2023		4
Thereafter		15
	$	48