Subsequent Events (Details) - $ / shares		3 Months Ended		6 Months Ended
	Jul. 28, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Subsequent Event [Line Items]
Common stock dividends declared per share (usd per share)		$ 0.155	$ 0.31	$ 0.465	$ 0.61
Preferred stock dividend declared (in usd per share)		$ 14.75		$ 29.50
Subsequent Event
Subsequent Event [Line Items]
Common stock dividends declared per share (usd per share)	$ 0.155
Preferred stock dividend declared (in usd per share)	$ 14.75