XML 39 R29.htm IDEA: XBRL DOCUMENT v3.19.2
RESTRUCTURING CHARGES (Tables)
 6 Months Ended
Jun. 30, 2019
Crude Oil Trucking Services [Member] | West Texas Trucking Market Exit Plan [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring and Related Costs [Table Text Block]
Changes in the accrued amounts pertaining to the restructuring charges are summarized as follows (in thousands):
 
Three Months ended June 30,
 
Six Months ended June 30,
 
2018
 
2018
Beginning balance
$
237

 
$
286

Cash payments
237

 
286

Ending balance
$
—

 
$
—