Loans and Allowance for Credit Losses (Details 2) (USD $) | Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2012 |
In Thousands, unless otherwise specified |
Recorded investment in loans: | ' | ' | ' |
Total loans | $1,266,361 | $1,155,421 | $1,168,747 |
Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 611,361 | 535,414 | ' |
Total Real estate - construction | 92,688 | 72,612 | ' |
Total Real estate - mortgage | 516,145 | 485,654 | ' |
Total Consumer | 21,588 | 25,978 | ' |
Total Other | 6,344 | 6,121 | ' |
Total loans | 1,248,126 | 1,125,779 | ' |
30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 4,833 | 3,730 | ' |
Total Real estate - construction | 71 | 525 | ' |
Total Real estate - mortgage | 3,722 | 7,222 | ' |
Total Consumer | 303 | 609 | ' |
Total Other | 0 | 0 | ' |
Total loans | 8,929 | 12,086 | ' |
90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 0 | 0 | ' |
Total Real estate - construction | 0 | 0 | ' |
Total Real estate - mortgage | 0 | 0 | ' |
Total Consumer | 34 | 44 | ' |
Total Other | 0 | 0 | ' |
Total loans | 34 | 44 | ' |
Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 4,251 | 6,198 | ' |
Total Real estate - construction | 497 | 2,529 | ' |
Total Real estate - mortgage | 4,391 | 8,525 | ' |
Total Consumer | 132 | 260 | ' |
Total Other | 1 | 0 | ' |
Total loans | 9,272 | 17,512 | ' |
Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 620,445 | 545,342 | ' |
Total Real estate - construction | 93,256 | 75,666 | ' |
Total Real estate - mortgage | 524,258 | 501,401 | ' |
Total Consumer | 22,057 | 26,891 | ' |
Total Other | 6,345 | 6,121 | ' |
Total loans | 1,266,361 | 1,155,421 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 275,880 | 247,628 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 270,028 | 241,099 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 3,149 | 1,985 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 0 | 0 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 2,703 | 4,544 | ' |
Secured by owner-occupied nonfarm nonresidential properties [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 275,880 | 247,628 | ' |
Secured by other nonfarm nonresidential properties [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 231,518 | 186,864 | ' |
Secured by other nonfarm nonresidential properties [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 228,948 | 184,270 | ' |
Secured by other nonfarm nonresidential properties [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 1,376 | 1,034 | ' |
Secured by other nonfarm nonresidential properties [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 0 | 0 | ' |
Secured by other nonfarm nonresidential properties [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 1,194 | 1,560 | ' |
Secured by other nonfarm nonresidential properties [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 231,518 | 186,864 | ' |
Other commercial and industrial [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 113,047 | 110,850 | ' |
Other commercial and industrial [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 112,385 | 110,045 | ' |
Other commercial and industrial [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 308 | 711 | ' |
Other commercial and industrial [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 0 | 0 | ' |
Other commercial and industrial [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 354 | 94 | ' |
Other commercial and industrial [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total commercial | 113,047 | 110,850 | ' |
Construction loans - 1 to 4 family residential [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 14,175 | 13,206 | ' |
Construction loans - 1 to 4 family residential [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 14,175 | 12,936 | ' |
Construction loans - 1 to 4 family residential [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 0 | 0 | ' |
Construction loans - 1 to 4 family residential [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 0 | 0 | ' |
Construction loans - 1 to 4 family residential [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 0 | 270 | ' |
Construction loans - 1 to 4 family residential [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 14,175 | 13,206 | ' |
Other construction and land development [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 79,081 | 62,460 | ' |
Other construction and land development [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 78,513 | 59,676 | ' |
Other construction and land development [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 71 | 525 | ' |
Other construction and land development [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 0 | 0 | ' |
Other construction and land development [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 497 | 2,259 | ' |
Other construction and land development [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - construction | 79,081 | 62,460 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 293,200 | 277,820 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 288,115 | 268,141 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 1,950 | 4,436 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 0 | 0 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 3,135 | 5,243 | ' |
Closed-end loans secured by 1 to 4 family residential properties [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 293,200 | 277,820 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 194,210 | 200,465 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 191,182 | 196,663 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 1,772 | 2,666 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 0 | 0 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 1,256 | 1,136 | ' |
Lines of credit secured by 1 to 4 family residential properties [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 194,210 | 200,465 | ' |
Loans secured by 5 or more family residential property [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 36,848 | 20,850 | ' |
Loans secured by 5 or more family residential property [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 0 | 120 | ' |
Loans secured by 5 or more family residential property [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 0 | 0 | ' |
Loans secured by 5 or more family residential property [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 0 | 2,146 | ' |
Loans secured by 5 or more family residential property [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Real estate - mortgage | 36,848 | 23,116 | ' |
Credit Cards [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 7,613 | 7,610 | ' |
Credit Cards [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 7,499 | 7,488 | ' |
Credit Cards [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 80 | 78 | ' |
Credit Cards [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 34 | 44 | ' |
Credit Cards [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 0 | 0 | ' |
Credit Cards [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 7,613 | 7,610 | ' |
Other Revolving Credit Plans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 8,470 | 9,018 | ' |
Other Revolving Credit Plans [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 8,243 | 8,821 | ' |
Other Revolving Credit Plans [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 114 | 85 | ' |
Other Revolving Credit Plans [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 0 | 0 | ' |
Other Revolving Credit Plans [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 113 | 112 | ' |
Other Revolving Credit Plans [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 8,470 | 9,018 | ' |
Other Consumer Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 5,974 | 10,263 | ' |
Other Consumer Loans [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 5,846 | 9,669 | ' |
Other Consumer Loans [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 109 | 446 | ' |
Other Consumer Loans [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 0 | 0 | ' |
Other Consumer Loans [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 19 | 148 | ' |
Other Consumer Loans [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Consumer | 5,974 | 10,263 | ' |
All other loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | 6,345 | 6,121 | ' |
All other loans [Member] | Current [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | 6,344 | 6,121 | ' |
All other loans [Member] | 30 - 89 days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | 0 | 0 | ' |
All other loans [Member] | 90+ days past due [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | 0 | 0 | ' |
All other loans [Member] | Nonaccrual Loans [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | 1 | 0 | ' |
All other loans [Member] | Total Loans Receivable [Member] | ' | ' | ' |
Recorded investment in loans: | ' | ' | ' |
Total Other | $6,345 | $6,121 | ' |