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Disclosures about fair value of financial instruments (Tables)
12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule of fair value, assets and liabilities measured on recurring basis
The following fair value hierarchy table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2019 and 2018: 
 
 
Quoted Prices in
Active Markets
For Identical Assets
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
 
Significant
Unobservable Inputs
(Level 3)
 
Balance as of
December 31,
 
Balance as of
December 31,
 
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
Assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents
 
$
49,038

 
$
118,948

 
$

 
$

 
$

 
$

 
$
49,038

 
$
118,948

Short-term Investments
 
25

 

 

 

 

 

 
25

 

Derivatives
 

 

 
58,107

 
55,463

 

 

 
58,107

 
55,463

Total Assets
 
$
49,063

 
$
118,948

 
$
58,107

 
$
55,463

 
$

 
$

 
$
107,170

 
$
174,411

Liabilities
 
 

 
 
 
 

 
 
 
 

 
 
 
 
 
 

Derivatives
 
$

 

 
14,037

 
$
14,203

 
$

 
$

 
14,037

 
14,203

Total Liabilities
 
$

 
$

 
$
14,037

 
$
14,203

 
$

 
$

 
$
14,037

 
$
14,203