Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)

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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash dividends declared:      
Common stock, cash dividend per share (in USD per share) $ 0.58 $ 0.5 $ 0.35
Series A Preferred Stock      
Cash dividends declared:      
Preferred stock dividend per share (in usd per share)     85
Series B Preferred Stock      
Cash dividends declared:      
Preferred stock dividend per share (in usd per share) 51.22 49.11 39.11
Series C Preferred Stock      
Cash dividends declared:      
Preferred stock dividend per share (in usd per share) 58.76 58.76 58.76
Series D Preferred Stock      
Cash dividends declared:      
Preferred stock dividend per share (in usd per share) 62.50 62.50 $ 62.5
Series E Preferred Stock [Member]      
Cash dividends declared:      
Preferred stock dividend per share (in usd per share) $ 5,700 $ 4,892.5