Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical)

v3.19.2
Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Statement of Stockholders' Equity [Abstract]    
Offering costs $ 17,051 $ 17,051