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Note 8 - Other Real Estate Owned (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure Text Block [Abstract] |
Other Real Estate, Roll Forward [Table Text Block] |
|  | Year Ended December 31, |
(dollars in thousands) |  | 2015 |  |  | 2014 |
Balance beginning of period |  | $ | 13,224 |  |  | $ | 9,225 |
Real estate acquired from borrowers |  |  | 1,725 |  |  |  | 5,310 |
Valuation allowance |  |  | (1,100 | ) |  |  | (554 | )
Properties sold |  |  | (7,997 | ) |  |  | (757 | )
Balance end of period |  | $ | 5,852 |  |  | $ | 13,224 |

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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of the change in other real estate on properties owned. Excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure by banks. + References No definition available. + Details
Name: | us-gaap_OtherRealEstateRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration