Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Details)

v3.7.0.1
Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss) at beginning of period $ (22,617) $ (20,836)
Other comprehensive income (loss) before reclassifications 9,814 11,188
Amounts reclassified from other comprehensive income (89) (1,366)
Net other comprehensive income (loss) during the period 9,725 9,822
Accumulated other comprehensive income (loss) at end of period (12,892) (11,014)
Unrealized Gains (Losses) on Available-For-Sale Securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss) at beginning of period (4) (2)
Other comprehensive income (loss) before reclassifications 4 (2)
Amounts reclassified from other comprehensive income 0 0
Net other comprehensive income (loss) during the period 4 (2)
Accumulated other comprehensive income (loss) at end of period 0 (4)
Unrealized Holding Gains (Losses) on Derivative Transactions [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss) at beginning of period 6,773 6,087
Other comprehensive income (loss) before reclassifications (1,438) (7,138)
Amounts reclassified from other comprehensive income (89) (1,366)
Net other comprehensive income (loss) during the period (1,527) (8,504)
Accumulated other comprehensive income (loss) at end of period 5,246 (2,417)
Foreign Currency Translation Adjustments [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss) at beginning of period (29,386) (26,921)
Other comprehensive income (loss) before reclassifications 11,248 18,328
Amounts reclassified from other comprehensive income 0 0
Net other comprehensive income (loss) during the period 11,248 18,328
Accumulated other comprehensive income (loss) at end of period $ (18,138) $ (8,593)