Quarterly report pursuant to Section 13 or 15(d)

Unaudited Condensed Consolidated Statements of Comprehensive Loss (Parenthetical)

v3.19.1
Unaudited Condensed Consolidated Statements of Comprehensive Loss (Parenthetical)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]    
Reclassification of derivative losses on cash flow hedges to equity in earnings 50.00% 50.00%