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Supplemental Financial Information (Tables)
 3 Months Ended
Mar. 31, 2020
Additional Financial Information Disclosure [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
 
Three Months Ended
 
March 31,
 
2020
 
2019
Cash paid for interest
$
322

 
$
340

 
 
 
 
Cash paid for income taxes
$
55

 
$
197

 
 
 
 
Noncash additions to operating lease assets
$
55

 
$
179