XML 44 R36.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Measurement - Statement Of Income Classification (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Fair Value Measurement        
Derivative gain (loss) $ 315 $ (897) $ (794) $ (2,061)
Investment (loss) gain $ (780) $ 100 $ (1,499) $ 802