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Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | $ 22,675 | $ 32,317 | $ 45,669
Recorded Investment with No Allowance | 7,198 | 15,161 | 9,716
Recorded Investment with Allowance | 9,782 | 10,758 | 34,149
Total Recorded Investment | 16,980 | 25,920 | 43,865
Related Allowance | 1,838 | 2,438 | 8,597
Average Recorded Investment | 20,990 | 38,174 | 22,310
Interest Income Recognized | 548 | 1,091 | 1,945
Commercial and industrial [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 161 | 480 | 48
Recorded Investment with Allowance | 160 | 480 | 48
Total Recorded Investment | 160 | 480 | 48
Related Allowance | 35 | 309 | 36
Average Recorded Investment | 330 | 660 | 163
Interest Income Recognized | 10 | 27 | 4
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 |  |  |
Construction and land development [Member] | Real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 2,947 | 8,106 | 10,440
Recorded Investment with No Allowance | 622 | 3,531 | 1,217
Recorded Investment with Allowance | 1,894 | 4,109 | 8,492
Total Recorded Investment | 2,516 | 7,640 | 9,709
Related Allowance | 567 | 930 | 3,006
Average Recorded Investment | 5,691 | 7,077 | 2,920
Interest Income Recognized | 99 | 367 | 374
Secured by 1-4 family residential [Member] | Real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 4,706 | 8,566 | 5,701
Recorded Investment with No Allowance | 1,690 | 3,495 | 595
Recorded Investment with Allowance | 2,086 | 3,365 | 5,087
Total Recorded Investment | 3,776 | 6,860 | 5,682
Related Allowance | 306 | 848 | 536
Average Recorded Investment | 4,821 | 6,519 | 795
Interest Income Recognized | 163 | 301 | 222
Other real estate loans [Member] | Real estate loans [Member] |  |  |
Impaired loans and the related allowance |  |  |
Unpaid Principal Balance | 14,861 | 15,165 | 29,480
Recorded Investment with No Allowance | 4,886 | 8,135 | 7,904
Recorded Investment with Allowance | 5,642 | 2,805 | 20,522
Total Recorded Investment | 10,528 | 10,940 | 28,426
Related Allowance | 930 | 351 | 5,020
Average Recorded Investment | 10,148 | 23,918 | 18,432
Interest Income Recognized | $ 276 | $ 396 | $ 1,345

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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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