REPURCHASE AGREEMENTS (Borrowings Under Retail Repurchase Agreements) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Amortized cost	$ 95,591
Retail Repurchase Agreements [Member]
Weighted average interest rate during the year	0.25%	0.25%
Average balance during the year	$ 1,343	$ 1,340
Maximum month-end balance during the year	1,345	1,342
Amortized cost	1,354	1,502
Fair value	$ 1,382	$ 1,535