Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)

v3.8.0.1
Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash dividends declared:    
Common stock, Cash dividend per share (in usd per share) $ 0.11 $ 0.08
Series A Preferred Stock    
Cash dividends declared:    
Preferred stock dividend per share (in usd per share) 0 21.25
Series B Preferred Stock    
Cash dividends declared:    
Preferred stock dividend per share (in usd per share) 11.05 9.31
Series C Preferred Stock    
Cash dividends declared:    
Preferred stock dividend per share (in usd per share) 14.69 14.69
Series D Preferred Stock    
Cash dividends declared:    
Preferred stock dividend per share (in usd per share) $ 15.63 $ 15.63