Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares		3 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends declared on common stock (in dollars per share)	[1]	$ 0.39	$ 0.39

[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.