Loans - Financing Receivables Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	$ 172,481	$ 158,280
Non-owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	29,043	29,950
Owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	22,905	19,774
Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	4,484	4,568
Originated for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	10,614	10,719
Purchased for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	2,134	2,244
Commercial Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	28,524	25,408
Single-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	46,618	43,058
Multi-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	27,109	21,575
Other consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	971	970
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	79	14
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	60,388	57,160
Not Rated [Member] | Non-owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	220	322
Not Rated [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	115	119
Not Rated [Member] | Originated for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	10,602	10,719
Not Rated [Member] | Purchased for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	1,699	1,800
Not Rated [Member] | Commercial Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	270	285
Not Rated [Member] | Single-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	46,499	42,945
Not Rated [Member] | Other consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	971	970
Not Rated [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	12
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	84,217	72,392
Pass [Member] | Non-owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	21,666	21,147
Pass [Member] | Owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	19,017	16,385
Pass [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	944	987
Pass [Member] | Commercial Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	24,072	21,013
Pass [Member] | Multi-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	18,451	12,846
Pass [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	67	14
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	12,105	13,053
Special Mention [Member] | Non-owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	2,405	2,995
Special Mention [Member] | Owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	423	762
Special Mention [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	432	434
Special Mention [Member] | Purchased for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	429	435
Special Mention [Member] | Commercial Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	2,653	2,637
Special Mention [Member] | Multi-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	5,763	5,790
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	15,771	15,675
Substandard [Member] | Non-owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	4,752	5,486
Substandard [Member] | Owner occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	3,465	2,627
Substandard [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	2,993	3,028
Substandard [Member] | Originated for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	12
Substandard [Member] | Purchased for portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	6	9
Substandard [Member] | Commercial Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	1,529	1,473
Substandard [Member] | Single-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	119	113
Substandard [Member] | Multi-family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	$ 2,895	$ 2,939