Quarterly report pursuant to Section 13 or 15(d)

Income (Loss) Per Share of Common Stock (Details)

v3.19.3
Income (Loss) Per Share of Common Stock (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings Per Share [Abstract]        
Shares of treasury stock excluded from weighted average number of common stock shares outstanding 3,291,238 2,362,418 3,291,238 2,362,418