CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	1 Months Ended	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Common stock dividends declared (in dollars per share)	$ 0.78	$ 0.78	$ 0.78	$ 0.78	$ 0.70	$ 0.70	$ 0.70	$ 0.78	$ 2.18