Equity - Common Stock Dividends (Details) - $ / shares		3 Months Ended
	May 06, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018
Equity [Abstract]
Quarterly dividend of common stock declared (in dollars per share)	$ 0.1375	$ 0.1375	$ 0.1375	$ 0.1375	$ 0.1375
Annualized dividend rate (in dollars per share)	$ 0.55