XML 119 R106.htm IDEA: XBRL DOCUMENT v3.20.4
Net Income Per Share - Schedule of Calculation of Basic and Diluted Net Income Per Share (Parenthetical) (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]      
Antidilutive securities excluded from computation of earnings per share, amount 44,000 0 0