CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parentheticals) - $ / shares	3 Months Ended						6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]
Dividends declared and paid per common share (in dollars per share)	$ 0.145	$ 0.145	$ 0.145	$ 0.145	$ 0.132	$ 0.132	$ 0.290	$ 0.264