Consolidated Statements of Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Stock Repurchased and Retired During Period, Shares	125,200	0
Common stock, dividends per share	$ 0.14	$ 0.13
Stock Issued During Period, Shares, Employee Stock Ownership Plan	5,115	5,081
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	200
Common stock issuances from reinvested dividends, number of shares	2,309	2,517
Stock Issued During Period, Shares, Acquisitions	465,931	0