LOANS RECEIVABLE, NET, Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 5,397	$ 3,930	$ 3,971
Provision (recovery) for loan losses	1,465	1,150	0
Charge offs	(730)	(50)	(220)
Recoveries	123	367	179
Ending balance	6,255	5,397	3,930
Ending balance: individually evaluated for impairment	3,493	713
Ending balance: collectively evaluated for impairment	2,762	4,684
Loans [Abstract]
Ending balance: individually evaluated for impairment	6,614	6,404
Ending balance: collectively evaluated for impairment	706,473	492,797
Total loans receivable	713,087	499,201
1-4 Family Real Estate [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	552	333
Provision (recovery) for loan losses	(229)	217
Charge offs	(45)	0
Recoveries	0	2
Ending balance	278	552	333
Ending balance: individually evaluated for impairment	0	23
Ending balance: collectively evaluated for impairment	278	529
Loans [Abstract]
Ending balance: individually evaluated for impairment	121	387
Ending balance: collectively evaluated for impairment	124,900	116,008
Total loans receivable	125,021	116,395
Commercial and Multi-Family Real Estate [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	1,575	1,937
Provision (recovery) for loan losses	(180)	(709)
Charge offs	(214)	0
Recoveries	6	347
Ending balance	1,187	1,575	1,937
Ending balance: individually evaluated for impairment	241	350
Ending balance: collectively evaluated for impairment	946	1,225
Loans [Abstract]
Ending balance: individually evaluated for impairment	1,350	5,655
Ending balance: collectively evaluated for impairment	308,849	218,647
Total loans receivable	310,199	224,302
Agricultural Real Estate [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	263	112
Provision (recovery) for loan losses	(100)	151
Charge offs	0	0
Recoveries	0	0
Ending balance	163	263	112
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	163	263
Loans [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	64,316	56,071
Total loans receivable	64,316	56,071
Consumer [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	78	74
Provision (recovery) for loan losses	(58)	4
Charge offs	0	0
Recoveries	0	0
Ending balance	20	78	74
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	20	78
Loans [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	33,527	29,329
Total loans receivable	33,527	29,329
Commercial Operating [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	93	49
Provision (recovery) for loan losses	(68)	26
Charge offs	0	0
Recoveries	3	18
Ending balance	28	93	49
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	28	93
Loans [Abstract]
Ending balance: individually evaluated for impairment	11	22
Ending balance: collectively evaluated for impairment	29,882	30,824
Total loans receivable	29,893	30,846
Agricultural Operating [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	719	267
Provision (recovery) for loan losses	3,004	502
Charge offs	(186)	(50)
Recoveries	0	0
Ending balance	3,537	719	267
Ending balance: individually evaluated for impairment	3,252	340
Ending balance: collectively evaluated for impairment	285	379
Loans [Abstract]
Ending balance: individually evaluated for impairment	5,132	340
Ending balance: collectively evaluated for impairment	38,494	41,918
Total loans receivable	43,626	42,258
Premium Finance [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	0	0
Provision (recovery) for loan losses	464	0
Charge offs	(285)	0
Recoveries	114	0
Ending balance	293	0	0
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	293	0
Loans [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	106,505	0
Total loans receivable	106,505	0
Unallocated [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	2,117	1,158
Provision (recovery) for loan losses	(1,368)	959
Charge offs	0	0
Recoveries	0	0
Ending balance	749	2,117	$ 1,158
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	749	2,117
Loans [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	0	0
Total loans receivable	$ 0	$ 0

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A valuation allowance for financing receivables that are expected to be uncollectible.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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