Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Retained Earnings [Member]
Cash dividends per share (in dollars per share)		$ 0.59
Cash dividends per share (in dollars per share)	$ 0.57
Treasury acquired, shares (in shares)	98,832

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

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Period Type:	duration