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Basic and Diluted Income Per Common Share - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Securities excluded from computation (in shares) 2,168,454 2,019,972 2,168,454
Convertible Preferred Stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Securities excluded from computation (in shares) 2,088,567    
Restricted Stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Securities excluded from computation (in shares) 582,422 4,787,602 486,627