Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Common stock issued through dividend reinvestment, shares (in shares)	10,120	5,740	29,219	23,560
Cash dividends, per share (in dollars per share)	$ 0.21	$ 0.21	$ 0.63	$ 0.63
Cash dividends, per share (in dollars per share)	$ 0.21	$ 0.21	$ 0.63	$ 0.63
Common stock issued to ESOP, shares (in shares)			8,333	7,294