Loss Per Share - Narrative (Details)
shares in Millions
|3 Months Ended|
Mar. 31, 2019
|Earnings Per Share [Abstract]|
|Number of awards granted during period (shares)||2.5|
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef