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Loans - Aging Of Recorded Investment In Past Due Loans By Class Of Loans (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due | $ 802 | $ 1,183
60 - 89 Days Past Due | 223 | 187
Greater than 90 Days Past Due | 1,222 | 1,815
Total Past Due | 2,247 | 3,185
Loans Not Past Due | 170,234 | 155,095
Nonaccrual Loans Not > 90 Days Past Due | 4,343 | 4,541
Commercial Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
60 - 89 Days Past Due |  | 65
Greater than 90 Days Past Due | 165 | 121
Total Past Due | 165 | 186
Loans Not Past Due | 28,359 | 25,222
Nonaccrual Loans Not > 90 Days Past Due | 488 | 593
Single-family residential [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due | 796 | 1,105
60 - 89 Days Past Due | 131 | 122
Greater than 90 Days Past Due | 88 | 74
Total Past Due | 1,015 | 1,301
Loans Not Past Due | 45,603 | 41,757
Nonaccrual Loans Not > 90 Days Past Due | 30 | 39
Multi-family residential [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans Not Past Due | 27,109 | 21,576
Nonaccrual Loans Not > 90 Days Past Due | 2,045 | 2,082
Other consumer [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans Not Past Due | 971 |
Non-owner occupied [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due |  | 40
60 - 89 Days Past Due | 38 |
Greater than 90 Days Past Due | 957 | 1,611
Total Past Due | 995 | 1,651
Loans Not Past Due | 28,047 | 28,299
Nonaccrual Loans Not > 90 Days Past Due | 570 | 583
Owner occupied [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans Not Past Due | 22,905 | 19,774
Nonaccrual Loans Not > 90 Days Past Due | 1,204 | 1,244
Land [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans Not Past Due | 4,485 | 4,568
Originated for portfolio [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due |  | 20
60 - 89 Days Past Due | 54 |
Greater than 90 Days Past Due | 12 |
Total Past Due | 66 | 20
Loans Not Past Due | 10,548 | 10,699
Purchased for portfolio [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due | 6 |
Greater than 90 Days Past Due |  | 9
Total Past Due | 6 | 9
Loans Not Past Due | 2,128 | 2,235
Nonaccrual Loans Not > 90 Days Past Due | 6 |
Construction Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans Not Past Due | 79 | 14
Other consumer [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30 - 59 Days Past Due |  | 18
Total Past Due |  | 18
Loans Not Past Due |  | $ 951

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- Definition Financing Receivable Recorded Investment Loans Not Past Due Not Greater Than 90 Days Past Due + References No definition available. + Details
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- Definition Financing receivables that are less than 60 days past due but more than 29 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are less than 90 days past due but more than 59 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are equal to or greater than 90 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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