Consolidated Statements of Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Stock Repurchased and Retired During Period, Shares	52,460	0	417,577	0
Common stock, dividends per share	$ 0.15	$ 0.13	$ 0.44	$ 0.39
Stock Issued During Period, Shares, Employee Stock Ownership Plan	5,251	4,975	15,481	15,122
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	1,400	17,255	1,600
Common stock issuances from reinvested dividends, number of shares	2,227	2,328	6,781	7,166
Stock Issued During Period, Shares, Acquisitions	0	0	465,931	0