XML 38 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 4 - Investment Securities (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Investment Securities Available-for-sale and Held-to-Maturity [Table Text Block]
   
Available-for-Sale
  
   
September 30
, 2018
  
   
 
 
 
  
Gross
    
Gross
    
Estimated
  
   
Amortized
    
Unrealized
    
Unrealized
    
Fair
  
   
Cost
    
Gains
    
Losses
    
Value
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Residential
   $
76,064
     $
144
     $
(1,897
)
   $
74,311
  
Commercial
    
59,796
      
11
      
(2,091
)
    
57,716
  
Obligations of states and political subdivisions
    
5,160
      
36
      
(45
)
    
5,151
  
U.S. Treasury securities
    
80
      
—
      
—
      
80
  
Total
   $
141,100
     $
191
     $
(4,033
)
   $
137,258
  
   
Held-to-Maturity
  
   
September 30
, 2018
  
   
 
 
 
  
Gross
    
Gross
    
Estimated
  
   
Amortized
    
Unrealized
    
Unrealized
    
Fair
  
   
Cost
    
Gains
    
Losses
    
Value
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Commercial
   $
12,357
     $
—
     $
(408
)
   $
11,949
  
Obligations of U.S. government-sponsored agencies
    
8,126
      
—
      
(323
)
    
7,803
  
Obligations of states and political subdivisions
    
1,755
      
—
      
(28
)
    
1,727
  
Total
   $
22,238
     $
—
     $
(759
)
   $
21,479
  
   
Available-for-Sale
  
   
December 31, 2017
  
   
 
 
 
  
Gross
    
Gross
    
Estimated
  
   
Amortized
    
Unrealized
    
Unrealized
    
Fair
  
   
Cost
    
Gains
    
Losses
    
Value
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Residential
   $
83,360
     $
286
     $
(860
)
   $
82,786
  
Commercial
    
67,281
      
27
      
(1,234
)
    
66,074
  
Obligations of states and political subdivisions
    
4,752
      
182
      
(3
)
    
4,931
  
U.S. Treasury securities
    
80
      
—
      
—
      
80
  
Total
   $
155,473
     $
495
     $
(2,097
)
   $
153,871
  
   
Held-to-Maturity
  
   
December 31, 2017
  
   
Amortized
Cost
    
Gross
Unrealized
Gains
    
Gross
Unrealized
Losses
    
Estimated
Fair
Value
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Commercial
   $
15,065
     $
1
     $
(186
)
   $
14,880
  
Obligations of U.S. government-sponsored agencies
    
9,326
      
7
      
(144
)
    
9,189
  
Obligations of states and political subdivisions
    
1,888
      
5
      
(13
)
    
1,880
  
Total
   $
26,279
     $
13
     $
(343
)
   $
25,949
  
Investments Classified by Contractual Maturity Date [Table Text Block]
   
Available-for-Sale
    
Held-to-Maturity
  
   
Amortized
Cost
    
Estimated
Fair
Value
    
Amortized
Cost
    
Estimated
Fair
Value
  
   
(Dollars in Thousands)
  
Maturing within one year
   $
1,351
     $
1,351
     $
—
     $
—
  
Maturing after one to five years
    
38,063
      
37,271
      
1,116
      
1,106
  
Maturing after five to ten years
    
59,244
      
57,214
      
7,564
      
7,327
  
Maturing after ten years
    
42,442
      
41,422
      
13,558
      
13,046
  
Total
   $
141,100
     $
137,258
     $
22,238
     $
21,479
  
Schedule of Unrealized Loss on Investments [Table Text Block]
   
Available-for-Sale
  
   
September 30
, 2018
  
   
Less than 12 Months
    
12 Months or More
  
   
Fair
Value
    
Unrealized
Losses
    
Fair
Value
    
Unrealized
Losses
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Residential
   $
28,238
     $
(591
)
   $
39,667
     $
(1,305
)
Commercial
    
9,681
      
(252
)
    
47,607
      
(1,839
)
Obligations of states and political subdivisions    
1,645
      
(22
 )    
1,487
      
(24
 )
U.S. Treasury securities
    
80
      
—
      
—
      
—
  
Total
   $
39,644
     $
(865
)
   $
88,761
     $
(3,168
)
   
Held-to-Maturity
  
   
September 30
, 2018
  
   
Less than 12 Months
    
12 Months or More
  
   
Fair
Value
    
Unrealized
Losses
    
Fair
Value
    
Unrealized
Losses
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:                                
Commercial
   $
3,797
     $
(111
 )   $
8,152
     $
(297
 )
Obligations of U.S. government-sponsored agencies    
660
      
(14
 )    
7,143
      
(310
 )
Obligations of states and political subdivisions
    
1,209
      
(21
)
    
518
      
(6
 )
Total
   $
5,666
     $
(146
)
   $
15,813
     $
(613
)
   
Available-for-Sale
  
   
December 31, 2017
  
   
Less than 12 Months
    
12 Months or More
  
   
Fair
Value
    
Unrealized
Losses
    
Fair
Value
    
Unrealized
Losses
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Residential
   $
47,007
     $
(467
)
   $
21,122
     $
(393
)
Commercial
    
18,554
      
(180
)
    
46,312
      
(1,054
)
Obligations of states and political subdivisions
    
428
      
(3
 )    
—
      
—
  
U.S. Treasury securities
    
80
      
—
      
—
      
—
  
Total
   $
66,069
     $
(650
)
   $
67,434
     $
(1,447
)
   
Held-to-Maturity
  
   
December 31, 2017
  
   
Less than 12 Months
    
12 Months or More
  
   
Fair
Value
    
Unrealized
Losses
    
Fair
Value
    
Unrealized
Losses
  
   
(Dollars in Thousands)
  
Mortgage-backed securities:
                                
Commercial
   $
7,895
     $
(63
)
   $
6,675
     $
(123
 )
Obligations of U.S. government-sponsored agencies
    
865
      
(2
)
    
7,388
      
(142
)
Obligations of states and political subdivisions
    
571
      
(3
)
    
531
      
(10
 )
Total
   $
9,331
     $
(68
)
   $
14,594
     $
(275
)