INVESTMENT SECURITIES (Available For Sale Securities With Gross Unrealized Losses By Investment Category And Length Of Time Individual Securities Have Been In Continuous Loss Position) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014
Investments, Unrealized Loss Position [Line Items]
Securities available for sale, Continuous loss position less than twelve months, number of investment positions	17
Securities available for sale, Continuous loss position more than twelve months, number of investment positions	27
Securities available for sale, Number of Investment Positions	44
Securities available for sale, Continuous loss position less than twelve months, fair value	$ 25,673
Securities available for sale, Continuous loss position more than twelve months, fair value	31,161
Securities available for sale, Continuous loss position	56,834
Securities available for sale, Continuous loss position less than twelve months, gross unrealized losses	86
Securities available for sale, Continuous loss position more than twelve months, gross unrealized losses	605
Securities available for sale, Continuous loss position, gross unrealized losses	691
Agency bonds and notes
Investments, Unrealized Loss Position [Line Items]
Securities available for sale, Continuous loss position more than twelve months, number of investment positions	5
Securities available for sale, Continuous loss position more than twelve months, fair value	10,477
Securities available for sale, Continuous loss position more than twelve months, gross unrealized losses	190
Agency Mortgage-Backed
Investments, Unrealized Loss Position [Line Items]
Securities available for sale, Continuous loss position less than twelve months, number of investment positions	7
Securities available for sale, Continuous loss position more than twelve months, number of investment positions	4
Securities available for sale, Continuous loss position less than twelve months, fair value	12,207
Securities available for sale, Continuous loss position more than twelve months, fair value	3,653
Securities available for sale, Continuous loss position less than twelve months, gross unrealized losses	28
Securities available for sale, Continuous loss position more than twelve months, gross unrealized losses	80
Agency CMO
Investments, Unrealized Loss Position [Line Items]
Securities available for sale, Continuous loss position less than twelve months, number of investment positions	8
Securities available for sale, Continuous loss position more than twelve months, number of investment positions	3
Securities available for sale, Continuous loss position less than twelve months, fair value	12,373
Securities available for sale, Continuous loss position more than twelve months, fair value	9,171
Securities available for sale, Continuous loss position less than twelve months, gross unrealized losses	56
Securities available for sale, Continuous loss position more than twelve months, gross unrealized losses	203
Municipal
Investments, Unrealized Loss Position [Line Items]
Securities available for sale, Continuous loss position less than twelve months, number of investment positions	2
Securities available for sale, Continuous loss position more than twelve months, number of investment positions	15
Securities available for sale, Continuous loss position less than twelve months, fair value	1,093
Securities available for sale, Continuous loss position more than twelve months, fair value	7,860
Securities available for sale, Continuous loss position less than twelve months, gross unrealized losses	2
Securities available for sale, Continuous loss position more than twelve months, gross unrealized losses	$ 132