Consolidated Statements of Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Stock Repurchased and Retired During Period, Shares	235,717	0	360,917	0
Common stock, dividends per share	$ 0.15	$ 0.13	$ 0.29	$ 0.26
Stock Issued During Period, Shares, Employee Stock Ownership Plan	5,115	5,066	10,230	10,147
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	16,815	0	17,255	200
Common stock issuances from reinvested dividends, number of shares	2,245	2,321	4,554	4,838
Stock Issued During Period, Shares, Acquisitions	0	0	465,931	0