Note 10 - Fair Value Measurement (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
Dec. 31, 2016 |
|
| Asset Impairment Charges | $ 2,978,000 | $ 911,000 | |
| Real Estate Owned, Amount of Loss at Acquisition | 30,000 | $ 392,000 | |
| Mortgage Loans on Real Estate, Foreclosures | 0 | $ 189,000 | |
| Mortgage Loans in Process of Foreclosure, Amount | $ 77,000 | $ 0 | |
| 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
|
| 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
|
| X | ||||||||||
- Definition Amount of reduction to fair value of loan related to real estate owned (REO) at time of acquisition. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|