Commitments and Contingencies Operating leases (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

As of December 31, 2017, future contractual minimums are as follows:

Year	Total
2018	$	146
2019	143
2020	110
2021	85
2022	82
2023 and beyond	328
Total minimum payments	894
Less: Amount representing interest	(88		)
Present value of minimum payments	$	806