Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Contingent Consideration Arrangement) (Details)

v3.19.3
DERIVATIVE INSTRUMENTS (Contingent Consideration Arrangement) (Details)
 9 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
Derivative [Line Items]  
Derivative, credit risk related contingent features, payment to be received, denominator (in usd per share) $ 8.03
Derivative Threshold, Greater Than or Equal to $60.65  
Derivative [Line Items]  
Payment to be received | $ $ 150,000
Derivative, credit risk related contingent features, commodity price threshold (in usd per share) $ 60.65
Derivative Threshold, Between $52.62 and $60.65  
Derivative [Line Items]  
Derivative, credit risk related contingent features, commodity price threshold (in usd per share) 52.62
Derivative Threshold, Between $52.62 and $60.65 | Minimum  
Derivative [Line Items]  
Derivative, credit risk related contingent features, commodity price threshold (in usd per share) 52.62
Derivative Threshold, Between $52.62 and $60.65 | Maximum  
Derivative [Line Items]  
Derivative, credit risk related contingent features, commodity price threshold (in usd per share) $ 60.65
Derivative Threshold, Less Than or Equal to $52.62  
Derivative [Line Items]  
Payment to be received | $ $ 0