Covered Assets (Credit Risk Profile by Internally Assigned Grade by Loan Status Designation) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Covered Assets, Loan Status Designation [Line Items]
Loans and Leases Receivable, Covered Loans, Gross	$ 313,204	$ 362,248
Discount balance related to acquired loans	(60,511)	(66,301)
Covered loans, allowance for losses	0	0
Loans and Leases Receivable, Covered Loans, Net Reported Amount	252,693	295,947
Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	153,798	166,636
Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	159,406	195,612
Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	26,688	28,460
Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Construction - Custom [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	4,367	4,810
Land - Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	230	245
Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	17,000	18,852
Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	82,371	89,499
Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	8,351	9,416
HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	14,203	14,750
Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	588	604
Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	41,697	44,020
Pool 2 - Single-Family Residential [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	20,570	21,541
Pool 3 - Multi-family [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	1,119	5,231
Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	5,873	5,991
Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	78,957	105,553
Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	11,190	13,276
Pass [Member]
Covered Assets, Loan Status Designation [Line Items]
Grade as percentage of total gross loans	96.00%	95.60%
Pass [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	119,276	123,606
Grade as percentage of total gross loans	77.60%	74.20%
Pass [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	82,540	84,903
Pass [Member] | Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	23,971	26,426
Pass [Member] | Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Pass [Member] | Construction - Custom [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Pass [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	3,648	3,069
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	197	245
Pass [Member] | Multi-Family [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	17,000	17,217
Pass [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	55,109	56,120
Pass [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	4,599	5,175
Pass [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	14,164	14,750
Pass [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	588	604
Pass [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	15,610	14,361
Pass [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	20,478	21,541
Pass [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	56	4,131
Pass [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	4,098	4,111
Pass [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	35,694	36,494
Pass [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	6,604	4,265
Special Mention [Member]
Covered Assets, Loan Status Designation [Line Items]
Grade as percentage of total gross loans	0.60%	0.50%
Special Mention [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	9,136	10,754
Grade as percentage of total gross loans	5.90%	6.40%
Special Mention [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	4,644	19,613
Special Mention [Member] | Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Special Mention [Member] | Construction - Custom [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	1,019
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	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	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	9,136	9,235
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	500
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	0
Special Mention [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	360	4,296
Special Mention [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Assets [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 Assets [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 Assets [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 Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	3,799	15,113
Special Mention [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	485	204
Substandard [Member]
Covered Assets, Loan Status Designation [Line Items]
Grade as percentage of total gross loans	3.40%	3.90%
Substandard [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	25,386	32,276
Grade as percentage of total gross loans	16.50%	19.40%
Substandard [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	72,222	91,096
Substandard [Member] | Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	2,717	2,034
Substandard [Member] | Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Substandard [Member] | Construction - Custom [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Substandard [Member] | Land - Acquisition & Development [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	719	722
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	33	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	1,635
Substandard [Member] | Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	18,126	24,144
Substandard [Member] | Commercial & Industrial [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	3,752	3,741
Substandard [Member] | HELOC [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	39	0
Substandard [Member] | Consumer [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Substandard [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	25,727	25,363
Substandard [Member] | Pool 2 - Single-Family Residential [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	92	0
Substandard [Member] | Pool 3 - Multi-family [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	1,063	1,100
Substandard [Member] | Pool 4 - Home Equity Line of Credit and Other Consumer Loans [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	1,775	1,880
Substandard [Member] | Pool 5 - Commercial Real Estate [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	39,464	53,946
Substandard [Member] | Pool 6 - Commercial and Industrial [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	4,101	8,807
Doubtful [Member]
Covered Assets, Loan Status Designation [Line Items]
Grade as percentage of total gross 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
Grade as percentage of total gross loans	0.00%	0.00%
Doubtful [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Doubtful [Member] | Construction - Custom [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	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	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	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	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	0
Doubtful [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [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 Assets [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 Assets [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 Assets [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 Assets [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 Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member]
Covered Assets, Loan Status Designation [Line Items]
Grade as percentage of total gross 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
Grade as percentage of total gross loans	0.00%	0.00%
Loss [Member] | Acquired Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Residential Portfolio Segment [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Construction - Speculative [Member] | Acquired Non Impaired Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	0	0
Loss [Member] | Construction - Custom [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	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	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	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	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	0
Loss [Member] | Pool 1 - Construction and Land, Acquisition and Development [Member] | Acquired Impaired Assets [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 Assets [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 Assets [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 Assets [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 Assets [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 Assets [Member]
Covered Assets, Loan Status Designation [Line Items]
Outstanding principal balance of acquired loans	$ 0	$ 0