XML 34 R23.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2017
Fair Value Measurements [Abstract]  
Schedule of balance of assets and liabilities measured at fair value on a recurring basis

 

  Level 1 (1)  Level 2 (2)  Level 3 (3)  Total 
  (in thousands) 
March 31, 2017            
Assets:            
Derivative contracts $           389  $         4,453  $            —  $   4,842 
Liabilities:                
Derivative contracts $161  $2,385  $  $2,546 
December 31, 2016                
Assets:                
Derivative contracts $256  $2,395  $  $2,651 
Liabilities:                
Derivative contracts $60  $1,667  $  $1,727 

  

(1) – quoted prices in active markets for identical assets or liabilities

(2) – observable inputs other than quoted prices in active markets for identical assets and liabilities

(3) – no observable pricing inputs in the market