Subsequent Events - Equity (Details) - $ / shares	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Equity
Dividends declared and paid per common share (in dollars per share)		$ 0.57	$ 0.57	$ 1.71	$ 1.71
Subsequent Event | Common Stock | Dividend Payable, October 31, 2019
Equity
Dividends declared and paid per common share (in dollars per share)	$ 0.19
Subsequent Event | Common Stock | Dividend Payable, November 29, 2019
Equity
Dividends declared and paid per common share (in dollars per share)	0.19
Subsequent Event | Common Stock | Dividend Payable, December 31, 2019
Equity
Dividends declared and paid per common share (in dollars per share)	$ 0.19