Earnings Per Share (''EPS'') (Tables)
|12 Months Ended|
Dec. 31, 2018
|Earnings Per Share [Abstract]|
|Schedule of calculations of basic and diluted EPS||
Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef