Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares		6 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Cash dividends declared on common stock (in dollars per share)	[1]	$ 0.05	$ 0.04

[1] See Notes to Condensed Consolidated Financial Statements.(1)All share and per share data has been adjusted to reflect the 3-for-1 forward stock split effected by the Company on October 4, 2018.