CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)		3 Months Ended
		Mar. 31, 2021 Dividend $ / shares	Mar. 31, 2020 Dividend $ / shares
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share) | $ / shares	[1]	$ 0.89	$ 0.87
Number of dividends declared per quarter | Dividend		2	2

[1] Two dividends were declared in each of the first quarters of 2021 and 2020.