Quarterly report pursuant to Section 13 or 15(d)

Per Share Data - Narrative (Details)

v3.19.1
Per Share Data - Narrative (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Options and warrant    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 20,576,822 28,415,341
Restricted shares    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 5,137,125 4,249,645