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Covered Assets - Credit Risk Profile by Internally Assigned Grade by Loan Status Designation (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Covered Assets, Loan Status Designation [Line Items]
Total covered loans	$ 81,164	$ 213,203
Discount	(3,853)	(34,483)
Allowance	0	(2,244)
Covered loans, net	77,311	176,476
Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	25,135	100,161
Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	56,029	113,042
Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	15,893	23,067
Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		1,364
Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		73
Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		6,598
Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		51,336
Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	28	5,492
HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	9,214	11,777
Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		454
Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	1,764	20,261
Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	14,706	15,964
Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	425	523
Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	2,611	3,977
Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	34,853	64,391
Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 1,670	$ 7,926
Pass [Member]
Covered Assets, Loan Status Designation [Line Items]
Total grade as a % of total net loans	97.70%	97.20%
Pass [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 24,514	$ 70,926
Total grade as a % of total net loans	97.50%	70.80%
Pass [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 41,384	$ 64,208
Pass [Member] | Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	15,300	21,311
Pass [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		972
Pass [Member] | Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		73
Pass [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		6,598
Pass [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		26,940
Pass [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	2,801
Pass [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	9,214	11,777
Pass [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		454
Pass [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	151	8,349
Pass [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	14,375	15,585
Pass [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	48	52
Pass [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	2,611	2,804
Pass [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	23,805	33,909
Pass [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 394	$ 3,509
Special Mention [Member]
Covered Assets, Loan Status Designation [Line Items]
Total grade as a % of total net loans	0.10%	0.40%
Special Mention [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 115
Total grade as a % of total net loans	0.00%	0.10%
Special Mention [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 700
Special Mention [Member] | Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Special Mention [Member] | Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Special Mention [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Special Mention [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		115
Special Mention [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Special Mention [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	700
Special Mention [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0
Substandard [Member]
Covered Assets, Loan Status Designation [Line Items]
Total grade as a % of total net loans	2.20%	2.40%
Substandard [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 621	$ 29,120
Total grade as a % of total net loans	2.50%	29.10%
Substandard [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 14,645	$ 47,609
Substandard [Member] | Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	593	1,756
Substandard [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		392
Substandard [Member] | Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Substandard [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Substandard [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		24,281
Substandard [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	28	2,691
Substandard [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Substandard [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Substandard [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	1,613	11,912
Substandard [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	331	379
Substandard [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	377	471
Substandard [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	1,173
Substandard [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	11,048	29,782
Substandard [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 1,276	$ 3,892
Doubtful [Member]
Covered Assets, Loan Status Designation [Line Items]
Total grade as a % of total net loans	0.00%	0.00%
Doubtful [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0
Total grade as a % of total net loans	0.00%	0.00%
Doubtful [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 525
Doubtful [Member] | Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Doubtful [Member] | Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Doubtful [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Doubtful [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Doubtful [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Doubtful [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 525
Loss [Member]
Covered Assets, Loan Status Designation [Line Items]
Total grade as a % of total net loans	0.00%	0.00%
Loss [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0
Total grade as a % of total net loans	0.00%	0.00%
Loss [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0
Loss [Member] | Single-Family Residential [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Loss [Member] | Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Loss [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Loss [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Loss [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans		0
Loss [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Loans [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0

X

- Definition

Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 45



-Paragraph 1A



-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

+ Details

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X

- Definition

Covered Assets, Loan Status Designation [Line Items]

+ References

No definition available.

+ Details

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- Definition

Covered Loans, Allowance for Losses

+ References

No definition available.

+ Details

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- Definition

Grade as Percentage of Total Gross Loans

+ References

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- Definition

Loans and Leases Receivable, Covered Loans, Gross

+ References

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- Definition

Loans and Leases Receivable, Covered Loans, Gross

+ References

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- Definition

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+ References

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