Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturities of operating lease liabilities as of December 31, 2019 are as follows:

	Operating leases
2020	$	1
2021	—
2022	1
2023	1
2024	—
Thereafter	4
Total lease payments	7
Less: present value discount	2
Present value of lease liabilities	$	5

The weighted average remaining lease terms and weighted average discount rate as of December 31, 2019 were as follows:

	December 31, 2019
Weighted-average remaining lease term (years)
Operating leases	13
Weighted-average discount rate (%)
Operating leases	4	%