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Earnings per Common Share - Summary of Potential Common Stock Equivalents Excluded from Determination of Diluted Earnings Per Share (Parenthetical) (Details) - Series A Preferred Stock [Member]
9 Months Ended
Sep. 30, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Preferred stock redemption premium percentage in sixth year 10.00%
Preferred stock redemption premium percentage in year seven and thereafter 5.00%