Loans Receivable (excluding Covered Loans) (Loan Modifications) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014 contract	Jun. 30, 2013 contract	Jun. 30, 2014 contract	Jun. 30, 2013 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	19	27	47	70
Recorded Investment	$ 3,327	$ 7,021	$ 9,821	$ 16,554
Single-Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	17	25	42	65
Recorded Investment	3,088	6,833	9,206	15,366
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	0	1
Recorded Investment	0	0	0	838
Land - Consumer Lot Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	1	1	4	2
Recorded Investment	69	109	445	237
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)	0	1	0	2
Recorded Investment	0	79	0	113
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	1	0	1	0
Recorded Investment	$ 170	$ 0	$ 170	$ 0