Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)	3 Months Ended			12 Months Ended
	Mar. 31, 2023 dividend	Mar. 31, 2022 dividend	Mar. 31, 2021 dividend	Dec. 31, 2023 $ / shares	Dec. 31, 2022 $ / shares	[1]	Dec. 31, 2021 $ / shares	[1]
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share) | $ / shares				$ 1.91	$ 1.86		$ 1.79
Number of dividends declared per quarter | dividend	2	2	2

[1] * Two dividends were declared in each of the first quarters of 2023, 2022 and 2021.