Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)

v3.10.0.1
Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement of Comprehensive Income [Abstract]      
Foreign currency translation adjustment, tax $ 0 $ 0 $ 1,300,000