Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Retained Earnings [Member]
Cash dividends per share (in dollars per share)		$ 0.6
Treasury acquired, shares (in shares)	512,449	58,200
Cash dividends per share (in dollars per share)	$ 0.69

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

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Balance Type:	na
Period Type:	duration