Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Retained Earnings [Member]
Cash dividends per share (in dollars per share)	$ 0.28	$ 0.28	$ 0.84	$ 0.89
Treasury acquired, shares (in shares)	31,669		49,416

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

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