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Loans Receivable (excluding Covered Loans) (Loan Modifications) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013 Contracts	Jun. 30, 2012 Contracts	Jun. 30, 2013 Contracts	Jun. 30, 2012 Contracts
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	27	30	70	101
Recorded Investment	$ 7,021	$ 8,225	$ 16,554	$ 22,290
Single-Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	25	30	65	97
Recorded Investment	6,833	8,225	15,366	21,687
Construction - Speculative [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	0	0	0	0
Construction - Custom [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	0	0	0	0
Land - Acquisition & Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	1	0
Recorded Investment	0	0	838	0
Land - Consumer Lot Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	1	0	2	4
Recorded Investment	109	0	237	603
Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	0	0	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	0	0	0	0
Commercial & Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	0	0	0	0
HELOC [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	1	0	2	0
Recorded Investment	79	0	113	0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0	0	0
Recorded Investment	$ 0	$ 0	$ 0	$ 0

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