Loans Receivable (excluding Covered Loans) (Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended																						12 Months Ended
	Dec. 31, 2013 contract	Dec. 31, 2012 contract	Dec. 31, 2013 Single-Family Residential [Member] contract	Dec. 31, 2012 Single-Family Residential [Member] contract	Dec. 31, 2013 Construction - Speculative [Member] contract	Dec. 31, 2012 Construction - Speculative [Member] contract	Dec. 31, 2013 Construction - Custom [Member] contract	Dec. 31, 2012 Construction - Custom [Member] contract	Dec. 31, 2013 Land - Acquisition & Development [Member] contract	Dec. 31, 2012 Land - Acquisition & Development [Member] contract	Dec. 31, 2013 Land - Consumer Lot Loans [Member] contract	Dec. 31, 2012 Land - Consumer Lot Loans [Member] contract	Dec. 31, 2013 Multi-Family [Member] contract	Dec. 31, 2012 Multi-Family [Member] contract	Dec. 31, 2013 Commercial Real Estate [Member] contract	Dec. 31, 2012 Commercial Real Estate [Member] contract	Dec. 31, 2013 Commercial & Industrial [Member] contract	Dec. 31, 2012 Commercial & Industrial [Member] contract	Dec. 31, 2013 HELOC [Member] contract	Dec. 31, 2012 HELOC [Member] contract	Dec. 31, 2013 Consumer [Member] contract	Dec. 31, 2012 Consumer [Member] contract	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts (in contracts)	124	118	113	105	0	1	0	0	0	0	5	11	2	1	1	0	0	0	1	0	2	0
Pre-Modification Outstanding Recorded Investment	$ 27,028	$ 33,746	$ 23,607	$ 29,339	$ 0	$ 2,503	$ 0	$ 0	$ 0	$ 0	$ 1,098	$ 1,836	$ 1,213	$ 68	$ 810	$ 0	$ 0	$ 0	$ 261	$ 0	$ 39	$ 0
Post-Modification Outstanding Recorded Investment	$ 27,028	$ 33,746	$ 23,607	$ 29,339	$ 0	$ 2,503	$ 0	$ 0	$ 0	$ 0	$ 1,098	$ 1,836	$ 1,213	$ 68	$ 810	$ 0	$ 0	$ 0	$ 261	$ 0	$ 39	$ 0
Loan Modification, Basis Point Reduction, Minimum	1.00%
Loan Modification, Basis Point Reduction, Maximum	2.00%
Term for Payment and Rate Reduction																							6 months	12 months
Single Family Residential Loans as Percentage of Restructured Loans	85.80%