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Securities (Tables)
9 Months Ended
Sep. 30, 2022
Securities [Abstract]  
Available-for-Sale Investment Securities Portfolios

The following table summarizes the amortized cost and fair value of the available-for-sale investment securities portfolios as of the dates indicated and the corresponding amounts of unrealized gains and losses which were recognized in accumulated other comprehensive income (loss):


   
Amortized
Cost
   
Gross Unrealized Gains
   
Gross Unrealized Losses
   
Fair Value
 
   
(In thousands)
 
September 30, 2022:
     
Federal agency mortgage-backed securities
 
$
90,333
   
$
7
   
$
(11,749
)
 
$
78,591
 
Federal agency collateralized mortgage obligations (“CMO”)
    26,435       4       (1,587 )     24,852  
Federal agency debt
   
56,641
     
38
     
(4,475
)
   
52,204
 
Municipal bonds
   
4,874
     
     
(747
)
   
4,127
 
U.S. Treasuries
   
165,735
     
     
(5,550
)
   
160,185
 
SBA pools
   
14,540
     
13
     
(1,767
)
   
12,786
 
Total available-for-sale securities
 
$
358,558
   
$
62
   
$
(25,875
)
 
$
332,745
 
December 31, 2021:
 
 
Federal agency mortgage-backed securities
 
$
70,078
   
$
196
   
$
(244
)
 
$
70,030
 
Federal agency CMOs
    9,391       11       (115 )     9,287  
Federal agency debt
   
38,152
     
106
     
(270
)
   
37,988
 
Municipal bonds
   
4,898
     
40
     
(23
)
   
4,915
 
U.S. Treasuries
    18,169             (218 )     17,951  
SBA pools
    16,241       122       (138 )     16,225  
Total available-for-sale securities
 
$
156,929
   
$
475
   
$
(1,008
)
 
$
156,396
 
Amortized Cost and Fair Value of Investment Securities by Contractual Maturity

The amortized cost and estimated fair value of all investment securities available-for-sale at September 30, 2022, by contractual maturities are shown below.  Contractual maturities may differ from expected maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.


   
Amortized
Cost
   
Gross Unrealized Gains
   
Gross Unrealized Losses
   
Fair Value
 
   
(In thousands)
 
Due in one year or less
 
$
1,000
   
$
   
$
 
$
1,000
 
Due after one year through five years
   
221,154
     
6
     
(9,476
)
   
211,684
 
Due after five years through ten years
   
64,541
     
44
     
(5,934
)
   
58,651
 
Due after ten years (1)
   
71,863
     
12
     
(10,465
)
   
61,410
 
   
$
358,558
   
$
62
   
$
(25,875
)
 
$
332,745
 

(1)
Mortgage-backed securities, collateralized mortgage obligations and SBA pools do not have a single stated maturity date and therefore have been included in the “Due after ten years” category.
Securities in Continuous Unrealized Loss Position

The table below indicates the length of time individual securities had been in a continuous unrealized loss position:

   
Less than 12 Months
   
12 Months or Longer
   
Total
 
   
Fair
Value
   
Unrealized
Losses
   
Fair
Value
   
Unrealized
Losses
   
Fair
Value
   
Unrealized
Losses
 
   
(Dollars in thousands)
 
September 30, 2022:
                                   
Federal agency mortgage-backed securities
 
$
63,620
   
$
(9,388
)
 
$
14,666
   
$
(2,361
)
 
$
78,286
   
$
(11,749
)
Federal agency CMOs
   
20,313
     
(855
)
   
3,709
     
(732
)
   
24,022
     
(1,587
)
Federal agency debt
   
37,646
     
(3,496
)
   
8,916
     
(979
)
   
46,562
     
(4,475
)
Municipal bonds
   
3,193
     
(581
)
   
934
     
(166
)
   
4,127
     
(747
)
U. S. Treasuries
   
143,707
     
(3,893
)
   
16,478
     
(1,657
)
   
160,185
     
(5,550
)
SBA pools
   
3,889
     
(393
)
   
6,846
     
(1,374
)
   
10,735
     
(1,767
)
Total unrealized loss position investment securities
 
$
272,368
   
$
(18,606
)
 
$
51,549
   
$
(7,269
)
 
$
323,917
   
$
(25,875
)
                                                 
December 31, 2021:
                                               
Federal agency mortgage-backed securities
 
$
65,456
   
$
(498
)
 
$
   
$
   
$
65,456
   
$
(498
)
Federal agency debt
   
25,413
     
(269
)
   
     
     
25,413
     
(269
)
Municipal bonds
   
2,349
     
(23
)
   
     
     
2,349
     
(23
)
U. S. Treasuries
   
17,950
     
(218
)
   
     
     
17,950
     
(218
)
Total unrealized loss position investment securities
 
$
111,168
   
$
(1,008
)
 
$
   
$
   
$
111,168
   
$
(1,008
)