Net Income (Loss) per Common Share (Tables)
|12 Months Ended|
Dec. 31, 2020
|Earnings Per Share [Abstract]|
|Net Income (Loss) per Common Share||
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef