Fair Value (Financial Instruments Measured At Fair Value On A Non-Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Single-family residential [Member]
Impaired loans:
Impaired loans at Fair Value	$ 283	$ 57
Impaired loans:
Valuation Technique(s)	Comparable sales approach	Comparable sales approach
Fair Value Inputs, Adjustment for differences between the comparable market transactions	(5.80%)	2.30%
Multi-family residential [Member]
Impaired loans:
Impaired loans at Fair Value	1,167	2,070
Impaired loans:
Valuation Technique(s)	Comparable sales approach	Comparable sales approach
Fair Value Inputs, Adjustment for differences between the comparable market transactions		(32.70%)
Non-owner occupied [Member]
Impaired loans:
Impaired loans at Fair Value	236	1,806
Impaired loans:
Valuation Technique(s)	Comparable sales approach	Comparable sales approach
Fair Value Inputs, Adjustment for differences between the comparable market transactions		(7.30%)
Owner occupied [Member]
Impaired loans:
Impaired loans at Fair Value		1,244
Impaired loans:
Valuation Technique(s)		Comparable sales approach
Fair Value Inputs, Adjustment for differences between the comparable market transactions		(0.80%)
Commercial Segment [Member]
Impaired loans:
Impaired loans at Fair Value		$ 121
Impaired loans:
Valuation Technique(s)		Income approach
Fair Value Inputs, Adjustment for differences in net operating income expectations		(10.00%)
Minimum [Member] | Multi-family residential [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions	(32.60%)	(39.00%)
Minimum [Member] | Non-owner occupied [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions	(12.21%)	(12.20%)
Minimum [Member] | Owner occupied [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions		0.50%
Maximum [Member] | Multi-family residential [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions		(27.10%)
Maximum [Member] | Non-owner occupied [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions		16.70%
Maximum [Member] | Owner occupied [Member]
Impaired loans:
Fair Value Inputs, Adjustment for differences between the comparable market transactions		(6.30%)