CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018
Cash dividends declared (usd per share)	$ 0.11		$ 0.11
Preferred Series A
Cash dividends declared (usd per share)	0.39	$ 0.39	0.39	$ 0.39
Preferred Series B
Cash dividends declared (usd per share)	0.34	0.34	0.34	0.34
Common stock
Cash dividends declared (usd per share)	$ 0.11	$ 0.11	$ 0.11	$ 0.11