PREFERRED STOCK (Additional Information) (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2016	Sep. 30, 2015	Feb. 11, 2016	Aug. 11, 2011
Auction Market Preferred Securities, Stock Series [Line Items]
Weighted Average Dividend Rate		1.00%	1.00%
Preferred Stock, issued					17,120
Series A Preferred Stock, total purchase price under Purchase Agreement					$ 17,120,000
Series A Preferred Stock, dividend rate under Purchase Agreement	4.84%
Series A Preferred Stock redemption price, under Purchase Agreement		100.00%
Preferred Stock, aggregate liquidation preference					$ 1,000
Tier One Risk Based Capital					$ 10,000,000,000
Preferred Stock Value		$ 0	$ 0
First ten quarters
Auction Market Preferred Securities, Stock Series [Line Items]
Annual lending incentive fee, percentage under Purchase Agreement		2.00%
First ten quarters | Minimum
Auction Market Preferred Securities, Stock Series [Line Items]
Weighted Average Dividend Rate		1.00%
Series A Preferred Stock, dividend rate under Purchase Agreement		1.00%
First ten quarters | Maximum
Auction Market Preferred Securities, Stock Series [Line Items]
Weighted Average Dividend Rate		7.00%
Series A Preferred Stock, dividend rate under Purchase Agreement		5.00%
After four and one half years from issuance
Auction Market Preferred Securities, Stock Series [Line Items]
Series A Preferred Stock redemption price, under Purchase Agreement		9.00%
Small Business Jobs Act of 2010
Auction Market Preferred Securities, Stock Series [Line Items]
Preferred Stock Value					$ 30,000,000,000
Nineteenth Dividend Period
Auction Market Preferred Securities, Stock Series [Line Items]
Series A Preferred Stock, dividend rate under Purchase Agreement		1.00%
Redeemable Preferred Stock
Auction Market Preferred Securities, Stock Series [Line Items]
Preferred Stock, issued				17,120,000