Quarterly report pursuant to Section 13 or 15(d)

Per Share Data - Narrative (Details)

v3.10.0.1
Per Share Data - Narrative (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
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) 4,289,000 31,648,506 26,371,583 33,923,501
Restricted shares        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of earnings per share (in shares)   3,372,094 4,215,270 3,377,094