Subsequent Events (Narrative) (Details) - $ / shares				3 Months Ended
	Aug. 06, 2020	Jul. 01, 2020	Feb. 14, 2020	Jun. 30, 2019	Mar. 31, 2019
Subsequent Event [Line Items]
Common stock, cash dividends declared (in dollars per share)				$ 0.20	$ 0.20
Subsequent Event
Subsequent Event [Line Items]
Common stock, cash dividends declared (in dollars per share)	$ 0.05
Series B Preferred Stock
Subsequent Event [Line Items]
Dividend declared per share, preferred stock (in dollars per share)		$ 0.9375	$ 0.46875	$ 0.46875	$ 0.46875
Series B Preferred Stock | Subsequent Event
Subsequent Event [Line Items]
Dividend declared per share, preferred stock (in dollars per share)		0.93750
Series C Preferred Stock | Subsequent Event
Subsequent Event [Line Items]
Dividend declared per share, preferred stock (in dollars per share)		$ 0.53264