CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Dividends per common share	$ 0.15	$ 0.14
Restricted stock grants - shares		1,500
Stock option exercise, shares	10,500	8,400
Purchase of treasury shares, shares	540	815
Restricted stock grants, net of forfeitures - 2,329 shares	2,329