Consolidated Statements of Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Issue stock for directors, employee benefit and stock plans, related tax withholdings of shares (in shares)	24,025	22,724
Dividends paid per common share (in dollars per share)	$ 0.25	$ 0.23

Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration