IMPAIRMENT OF INVESTMENT SECURITIES (Schedule of Gross Unrealized Losses and Fair Value for Both Available For Sale and Held To Maturity Securities) (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) N	Sep. 30, 2015 USD ($) N
Available For Sale and Held To Maturity Securities
Number of Securities | N	9	14
Less Than 12 Months, Fair Value	$ 4,336	$ 5,523
Less Than 12 Months, Unrealized Losses	(256)	(36)
12 Months or Longer, Fair Value	4,369	13,140
12 Months or Longer, Unrealized Losses	(115)	(158)
Total, Fair Value	8,705	18,663
Total, Unrealized Losses	$ (371)	$ (194)
Obligations of U.S. government agencies Mortgage backed securities - residential
Available For Sale and Held To Maturity Securities
Number of Securities | N	2	3
Less Than 12 Months, Fair Value
Less Than 12 Months, Unrealized Losses
12 Months or Longer, Fair Value	$ 940	$ 2,254
12 Months or Longer, Unrealized Losses	(102)	(99)
Total, Fair Value	940	2,254
Total, Unrealized Losses	$ (102)	$ (99)
Obligations of U.S. government agencies Mortgage backed securities -commercial
Available For Sale and Held To Maturity Securities
Number of Securities | N	1	1
Less Than 12 Months, Fair Value	$ 1,065	$ 1,099
Less Than 12 Months, Unrealized Losses	$ (2)	$ (2)
12 Months or Longer, Fair Value
12 Months or Longer, Unrealized Losses
Total, Fair Value	$ 1,065	$ 1,099
Total, Unrealized Losses	$ (2)	$ (2)
Obligations of U.S. government-sponsored enterprises Mortgage backed securities - residential
Available For Sale and Held To Maturity Securities
Number of Securities | N	2	7
Less Than 12 Months, Fair Value		$ 4,424
Less Than 12 Months, Unrealized Losses		(34)
12 Months or Longer, Fair Value	$ 3,413	8,688
12 Months or Longer, Unrealized Losses	(13)	(33)
Total, Fair Value	3,413	13,112
Total, Unrealized Losses	$ (13)	$ (67)
Obligations of U.S. government-sponsored enterprises Debt securities
Available For Sale and Held To Maturity Securities
Number of Securities | N		1
Less Than 12 Months, Fair Value
Less Than 12 Months, Unrealized Losses
12 Months or Longer, Fair Value		$ 1,975
12 Months or Longer, Unrealized Losses		(25)
Total, Fair Value		1,975
Total, Unrealized Losses		$ (25)
Private label mortgage-backed securities-residential
Available For Sale and Held To Maturity Securities
Number of Securities | N	3	2
Less Than 12 Months, Fair Value	$ 521
Less Than 12 Months, Unrealized Losses	(4)
12 Months or Longer, Fair Value	$ 16	$ 223
12 Months or Longer, Unrealized Losses		(1)
Total, Fair Value	$ 537	223
Total, Unrealized Losses	$ (4)	$ (1)
Corporate securities
Available For Sale and Held To Maturity Securities
Number of Securities | N	1
Less Than 12 Months, Fair Value	$ 2,750
Less Than 12 Months, Unrealized Losses	$ (250)
12 Months or Longer, Fair Value
12 Months or Longer, Unrealized Losses
Total, Fair Value	$ 2,750
Total, Unrealized Losses	$ (250)