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Supplemental Financial Information (Tables)
 9 Months Ended
Sep. 30, 2020
Additional Financial Information Disclosure [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
Nine Months Ended
September 30,
20202019
Cash paid for interest$765 $790 
Cash paid for income taxes$298 $586 
Noncash additions to operating lease assets$124 $357