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 |
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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% |