XML 137 R121.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Financial Instruments and Hedging Activities - Schedule of Changes in AOCL (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance $ 1,450    
Ending balance 1,249 $ 1,450  
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 1,450 1,763 $ 8,413
Losses on terminated cash flow hedging relationships amortized to earnings (201) (337) (7,042)
Decrease in deferred taxes on accumulated losses on cash flow hedges 0 24 392
Decrease in accumulated losses on cash flow hedges, net of taxes (201) (313) (6,650)
Ending balance $ 1,249 $ 1,450 $ 1,763