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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	Dec. 31, 2016 USD ($) N	Sep. 30, 2016 USD ($) N
Available For Sale and Held To Maturity Securities
Number of Securities | N	34	9
Less Than 12 Months, Fair Value	$ 38,621	$ 2,581
Less Than 12 Months, Unrealized Losses	(701)	(8)
12 Months Or Greater, Fair Value	6,018	5,879
12 Months Or Greater, Unrealized Losses	(316)	(348)
Total, Fair Value	44,639	8,460
Total, Unrealized Losses	$ (1,017)	$ (356)
Obligations of U.S. government agencies Mortgage backed securities - residential [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N	3	2
Less Than 12 Months, Fair Value	$ 776
Less Than 12 Months, Unrealized Losses	(4)
12 Months Or Greater, Fair Value	796	849
12 Months Or Greater, Unrealized Losses	(109)	(90)
Total, Fair Value	1,572	849
Total, Unrealized Losses	$ (113)	$ (90)
Obligations of U.S. government-sponsored enterprises Mortgage backed securities - residential [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N	22	2
Less Than 12 Months, Fair Value	$ 32,488	$ 1,376
Less Than 12 Months, Unrealized Losses	(577)	(3)
12 Months Or Greater, Fair Value	1,925	1,942
12 Months Or Greater, Unrealized Losses	(18)	(13)
Total, Fair Value	34,413	3,318
Total, Unrealized Losses	$ (595)	$ (16)
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N	4
Less Than 12 Months, Fair Value	$ 5,342
Less Than 12 Months, Unrealized Losses	(119)
12 Months Or Greater, Fair Value
12 Months Or Greater, Unrealized Losses
Total, Fair Value	5,342
Total, Unrealized Losses	$ (119)
Private label mortgage-backed securities-residential [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N	4	3
Less Than 12 Months, Fair Value	$ 15	$ 172
Less Than 12 Months, Unrealized Losses	(1)	(4)
12 Months Or Greater, Fair Value	480	330
12 Months Or Greater, Unrealized Losses	(6)	(3)
Total, Fair Value	495	502
Total, Unrealized Losses	$ (7)	$ (7)
Corporate securities [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N	1	1
Less Than 12 Months, Fair Value
Less Than 12 Months, Unrealized Losses
12 Months Or Greater, Fair Value	2,817	2,758
12 Months Or Greater, Unrealized Losses	(183)	(242)
Total, Fair Value	2,817	2,758
Total, Unrealized Losses	$ (183)	$ (242)
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member]
Available For Sale and Held To Maturity Securities
Number of Securities | N		1
Less Than 12 Months, Fair Value		$ 1,033
Less Than 12 Months, Unrealized Losses		(1)
12 Months Or Greater, Fair Value
12 Months Or Greater, Unrealized Losses
Total, Fair Value		1,033
Total, Unrealized Losses		$ (1)

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