Loans Receivable (excluding Covered Loans) (Loan Modifications) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013 contract	Dec. 31, 2012 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	26	36
Recorded Investment	$ 3,790	$ 8,402
Single-Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	24	31
Recorded Investment	3,624	7,498
Construction - Speculative [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	5
Recorded Investment	0	904
Construction - Custom [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
Land - Acquisition & Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
Land - Consumer Lot Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	2	0
Recorded Investment	166	0
Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
Commercial & Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
HELOC [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	0	0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts (in contracts)	0	0
Recorded Investment	$ 0	$ 0