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Leases and Commitments (Tables)
12 Months Ended
Dec. 31, 2017
Leases and Commitments  
Future Minimum Obligations under Operating Leases
The future minimum obligations under operating leases having a noncancelable term in excess of one year are as follows:
 
Year Ending December 31
2018
$
170

2019
130

2020
99

2021
65

2022
48

Thereafter
98

Future minimum obligations
$
610