Note 10 - Fair Value Measurement (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
|
| Asset Impairment Charges | $ 2,660,000 | $ 3,544,000 | $ 7,967,000 | $ 6,090,000 | |
| Gains (Losses) on Sales of Other Real Estate | 20,000 | $ (148,000) | 56,000 | $ (584,000) | |
| Mortgage Loans on Real Estate, Foreclosures | 0 | $ 189,000 | |||
| Mortgage Loans in Process of Foreclosure, Amount | $ 921,000 | $ 921,000 | |||
| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The amount of mortgage loans on real estate which were foreclosed on during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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