Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Impaired Loans and Related Allowances (USD $) | 3 Months Ended | |
In Thousands, unless otherwise specified | Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 |
WIth No Related Allowance Recorded [Member] | 1-4 Family [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | $850 | ' | $88 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 850 | ' | 88 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 469 | 1,628 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 4 | 16 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
WIth No Related Allowance Recorded [Member] | Residential Developments [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | 7,113 | ' | 8,257 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 11,739 | ' | 13,636 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 7,685 | 9,550 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 13 | 31 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
WIth No Related Allowance Recorded [Member] | Commercial Real Estate Other [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | 51 | ' | 52 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 51 | ' | 52 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 52 | 514 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 0 | 5 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
WIth No Related Allowance Recorded [Member] | Consumer [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | 471 | ' | 487 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 475 | ' | 491 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 479 | 322 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 2 | 1 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
WIth No Related Allowance Recorded [Member] | Construction Industry [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | 90 | ' | 93 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 272 | ' | 296 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 92 | 83 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 0 | 0 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
WIth No Related Allowance Recorded [Member] | Commercial Business Other [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Recorded investment | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Unpaid Principal Balance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with no Related Allowance Recorded - Average Recorded Investment | 0 | 19 | ' |
Loans with no Related Allowance Recorded - Interest Income Recognized | 0 | 0 | ' |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Related Allowance | 0 | ' | 0 |
With Related Allowance Recorded [Member] | 1-4 Family [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 407 | ' | 404 |
Loans with a Related Allowance Recorded - Recorded investment | 1,592 | ' | 1,800 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 1,635 | ' | 1,844 |
Loans with a Related Allowance Recorded - Related Allowance | 407 | ' | 404 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 1,696 | 2,871 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 15 | 8 | ' |
Recorded investment | 2,442 | ' | 1,888 |
Unpaid Principal Balance | 2,485 | ' | 1,932 |
Related Allowance | 407 | ' | 404 |
Average Recorded Investment | 2,165 | 4,499 | ' |
Interest Income Recognized | 19 | 24 | ' |
With Related Allowance Recorded [Member] | Residential Developments [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 1,184 | ' | 2,260 |
Loans with a Related Allowance Recorded - Recorded investment | 3,785 | ' | 7,994 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 4,966 | ' | 12,725 |
Loans with a Related Allowance Recorded - Related Allowance | 1,184 | ' | 2,260 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 5,890 | 15,007 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 13 | 13 | ' |
Recorded investment | 10,898 | ' | 16,251 |
Unpaid Principal Balance | 16,705 | ' | 26,361 |
Related Allowance | 1,184 | ' | 2,260 |
Average Recorded Investment | 13,575 | 24,557 | ' |
Interest Income Recognized | 26 | 44 | ' |
With Related Allowance Recorded [Member] | Commercial Real Estate Other [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 158 | ' | 143 |
Loans with a Related Allowance Recorded - Recorded investment | 875 | ' | 888 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 875 | ' | 888 |
Loans with a Related Allowance Recorded - Related Allowance | 158 | ' | 143 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 882 | 2,642 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 8 | 3 | ' |
Recorded investment | 926 | ' | 940 |
Unpaid Principal Balance | 926 | ' | 940 |
Related Allowance | 158 | ' | 143 |
Average Recorded Investment | 934 | 3,156 | ' |
Interest Income Recognized | 8 | 8 | ' |
With Related Allowance Recorded [Member] | Consumer [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 448 | ' | 382 |
Loans with a Related Allowance Recorded - Recorded investment | 508 | ' | 429 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 508 | ' | 429 |
Loans with a Related Allowance Recorded - Related Allowance | 448 | ' | 382 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 469 | 1,445 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 2 | 10 | ' |
Recorded investment | 979 | ' | 916 |
Unpaid Principal Balance | 983 | ' | 920 |
Related Allowance | 448 | ' | 382 |
Average Recorded Investment | 948 | 1,767 | ' |
Interest Income Recognized | 4 | 11 | ' |
With Related Allowance Recorded [Member] | Construction Industry [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with a Related Allowance Recorded - Recorded investment | 0 | ' | 0 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 0 | ' | 0 |
Loans with a Related Allowance Recorded - Related Allowance | 0 | ' | 0 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 0 | 72 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 0 | 0 | ' |
Recorded investment | 90 | ' | 93 |
Unpaid Principal Balance | 272 | ' | 296 |
Related Allowance | 0 | ' | 0 |
Average Recorded Investment | 92 | 155 | ' |
Interest Income Recognized | 0 | 0 | ' |
With Related Allowance Recorded [Member] | Commercial Business Other [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 275 | ' | 589 |
Loans with a Related Allowance Recorded - Recorded investment | 808 | ' | 1,188 |
Loans with a Related Allowance Recorded - Unpaid Principal Balance | 1,360 | ' | 1,984 |
Loans with a Related Allowance Recorded - Related Allowance | 275 | ' | 589 |
Loans with a Related Allowance Recorded - Average Recorded Investment | 998 | 2,250 | ' |
Loans with a Related Allowance Recorded - Interest Income Recognized | 8 | 8 | ' |
Recorded investment | 808 | ' | 1,188 |
Unpaid Principal Balance | 1,360 | ' | 1,984 |
Related Allowance | 275 | ' | 589 |
Average Recorded Investment | 998 | 2,269 | ' |
Interest Income Recognized | 8 | 8 | ' |
With Related Allowance Recorded [Member] | ' | ' | ' |
Financing Receivable, Impaired [Line Items] | ' | ' | ' |
Loans with no Related Allowance Recorded - Related Allowance | 2,472 | ' | 3,778 |
Loans with a Related Allowance Recorded - Related Allowance | 2,472 | ' | 3,778 |
Recorded investment | 16,143 | ' | 21,276 |
Unpaid Principal Balance | 22,731 | ' | 32,433 |
Related Allowance | 2,472 | ' | 3,778 |
Average Recorded Investment | 18,712 | 36,403 | ' |
Interest Income Recognized | $65 | $95 | ' |