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Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011
--- | --- | --- | ---
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | $ 27,748 |  | $ 32,317
Recorded Investment with No Allowance | 9,338 |  | 15,161
Recorded Investment with Allowance | 12,593 |  | 10,758
Total Recorded Investment | 21,931 |  | 25,920
Related Allowance | 3,205 |  | 2,438
Average Recorded Investment | 22,103 |  | 38,174
Interest Income Recognized | 367 |  | 1,091
Commercial and industrial [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 402 |  | 480
Recorded Investment with Allowance | 402 |  | 480
Total Recorded Investment | 402 |  | 480
Related Allowance | 55 |  | 309
Average Recorded Investment | 468 |  | 660
Interest Income Recognized | 10 |  | 27
Consumer and other loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment with No Allowance |  |  |
Recorded Investment with Allowance |  |  |
Total Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
Other real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 15,435 |  | 15,165
Recorded Investment with No Allowance | 7,447 |  | 8,135
Recorded Investment with Allowance | 3,366 |  | 2,805
Total Recorded Investment | 10,813 |  | 10,940
Related Allowance | 1,033 |  | 351
Average Recorded Investment | 10,618 |  | 23,918
Interest Income Recognized | 108 |  | 396
Construction and Land Development [Member] | Real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 5,586 |  | 8,106
Recorded Investment with No Allowance | 595 |  | 3,531
Recorded Investment with Allowance | 4,661 |  | 4,109
Total Recorded Investment | 5,256 |  | 7,640
Related Allowance | 1,145 |  | 930
Average Recorded Investment | 5,730 |  | 7,077
Interest Income Recognized | 137 |  | 367
Secured by 1-4 Family Residential [Member] | Real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 6,325 |  | 8,566
Recorded Investment with No Allowance | 1,296 |  | 3,495
Recorded Investment with Allowance | 4,164 |  | 3,365
Total Recorded Investment | 5,460 |  | 6,860
Related Allowance | 972 |  | 848
Average Recorded Investment | 5,287 |  | 6,519
Interest Income Recognized | $ 112 |  | $ 301

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 + Details
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