XML 25 R29.htm IDEA: XBRL DOCUMENT v3.3.0.814
Note 5 - Investment Securities (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Jul. 31, 2014
USD ($)
Note 5 - Investment Securities (Details) [Line Items]            
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses $ 0 $ 0 $ 3,000 $ 7,000    
Securities, Continuous Loss Position, Accumulated Loss 3,100,000   3,100,000   $ 2,400,000  
Securities, Continuous Unrealized Loss Position, Fair Value 81,600,000   81,600,000   $ 62,200,000  
Proceeds from Sale and Maturity of Marketable Securities 2,600,000   6,700,000 5,700,000    
Available-for-sale Securities, Gross Realized Gains 206,000   361,000 458,000    
Available-for-sale Securities, Gross Realized Losses 142,000   288,000      
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax $ 23,000   $ 26,000 $ 165,000    
Mortgage-backed Securities, Issued by Private Enterprises [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 4   4      
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Alt-A [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Subprime [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
Collateralized Mortgage Obligations [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 9   9      
Held-to-maturity Securities Transferred from Available-for-sale           $ 70,100,000
Securities Transferred to Held-to-maturity Unrealized Gain (Loss) $ (1,000,000)   $ (1,000,000)     $ (1,200,000)
Collateralized Mortgage Obligations [Member] | Alt-A [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
Collateralized Mortgage Obligations [Member] | Subprime [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Number of Securities in Investment Portfolio 0   0   0  
US Government Agencies Debt Securities [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 1   1      
US States and Political Subdivisions Debt Securities [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 9   9      
Asset-backed Securities [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 2   2      
Corporate Debt Securities [Member]            
Note 5 - Investment Securities (Details) [Line Items]            
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 4   4