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Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statement of Changes in Stockholders' Equity [Abstract]
Percentage of stock dividend	1.00%	1.00%	1.00%
Purchase of treasury stock (in shares)	23,390	40,438	21,551
Cash dividends (in dollars per share)	$ 1.861	$ 1.900	$ 1.743

X

- Definition

The percentage rate used to calculate dividend payments on common stock.

+ References

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Name Accounting Standards Codification
-Topic 505
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-Name Accounting Standards Codification
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