Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical)

v3.8.0.1
Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Unrealized holding losses on available-for-sale securities, tax effect $ 0 $ 0 $ (3)
Unrealized gains (losses) on derivative transactions, tax effect 8,176 (1,922) (849)
Foreign currency translation adjustment, tax effect $ 4 $ (347) $ (760)