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Securities
6 Months Ended
Dec. 31, 2023
Securities [Abstract]  
Securities
(3)          Securities

The following tables summarize the amortized cost and fair value of securities available-for-sale by major type:

    At December 31, 2023      
(In thousands)
 
Amortized
Cost (1)
   
Unrealized
Gains
   
Unrealized
Losses
    Fair Value  
U.S. government sponsored enterprises
 
$
13,048
   
$
-
   
$
1,989
   
$
11,059
 
U.S. Treasury securities
   
18,292
     
-
     
1,575
     
16,717
 
State and political subdivisions
   
162,736
     
1,099
     
1
     
163,834
 
Mortgage-backed securities-residential
   
27,925
     
-
     
3,540
     
24,385
 
Mortgage-backed securities-multi-family
   
90,805
     
-
     
17,557
     
73,248
 
Corporate debt securities
   
19,831
     
41
     
1,306
     
18,566
 
Total securities available-for-sale
  $
332,637
    $
1,140
    $
25,968
    $
307,809
 

  At June 30, 2023  
(In thousands)
 
Amortized
Cost (1)
   
Unrealized
Gains
   
Unrealized
Losses
    Fair Value  
U.S. government sponsored enterprises
 
$
13,054
   
$
-
   
$
2,231
   
$
10,823
 
U.S. Treasury securities     18,349       -       1,849       16,500  
State and political subdivisions
   
137,343
     
670
     
2
     
138,011
 
Mortgage-backed securities-residential
   
29,586
     
-
     
3,985
     
25,601
 
Mortgage-backed securities-multi-family
   
91,016
     
-
     
18,930
     
72,086
 
Corporate debt securities
   
19,805
     
-
     
1,693
     
18,112
 
Total securities available-for-sale
  $
309,153
    $
670
    $
28,690
    $
281,133
 


(1)
Amortized cost excludes accrued interest receivable of $3.6 million and $2.9 million at December 31, 2023 and June 30, 2023, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.

There was no allowance for credit losses on securities available-for-sale at the quarter ended December 31, 2023.

The following tables summarize the amortized cost, fair value, and allowance for credit loss on securities held-to-maturity by major type:


  At December 31, 2023         
(In thousands)
 
Amortized
Cost (1)
   
Unrealized
Gains
   
Unrealized
Losses
    Fair Value     Allowance(2)
   
Net Carrying
Value
 
U.S. Treasury securities
  $
33,747
    $
-
    $
1,808
    $
31,939
    $ -     $ 33,747  
State and political subdivisions
   
463,515
     
6,243
     
31,654
     
438,104
      46       463,469  
Mortgage-backed securities-residential
   
34,912
     
-
     
2,969
     
31,943
      -       34,912  
Mortgage-backed securities-multi-family
   
145,915
     
-
     
17,282
     
128,633
      -       145,915  
Corporate debt securities
   
23,212
     
5
     
2,660
     
20,557
      438       22,774  
Other securities
    37       -       -       37       1       36  
Total securities held-to-maturity
 
$
701,338
   
$
6,248
   
$
56,373
   
$
651,213
    $
485     $
700,853  


  At June 30, 2023         
(In thousands)
 
Amortized
Cost (1)
   
Unrealized
Gains
   
Unrealized
Losses
    Fair Value     Allowance(2)
   
Net Carrying
Value
 
U.S. Treasury securities
  $
33,705
    $
-
    $
2,438
    $
31,267
    $ -     $ 33,705  
State and political subdivisions
   
478,756
     
5,178
     
30,662
     
453,272
      -       478,756  
Mortgage-backed securities-residential
   
37,186
     
-
     
3,625
     
33,561
      -       37,186  
Mortgage-backed securities-multi-family
   
155,046
     
-
     
20,324
     
134,722
      -       155,046  
Corporate debt securities
   
21,632
     
-
     
3,426
     
18,206
      -       21,632  
Other securities
    38       -       -       38       -       38  
Total securities held-to-maturity
 
$
726,363
   
$
5,178
   
$
60,475
   
$
671,066
    $
-     $
726,363  


(1)
Amortized cost excludes accrued interest receivable of $4.5 million and $3.9 million at December 31, 2023 and June 30, 2023, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.

(2)
The Company adopted ASU 2016-13 (CECL) on July 1, 2023. For periods subsequent to adoption, an allowance is calculated under the CECL methodology. The periods prior to adoption did not have an allowance for credit losses under applicable GAAP for those periods.

U.S. Treasury and mortgage-backed securities are issued by U.S. government entities and agencies. These securities are either explicitly and/or implicitly guaranteed by the U.S. government as to timely repayment of principal and interest, are highly rated by major rating agencies, and have a long history of zero credit losses. Therefore, the Company determined a zero credit loss assumption, and did not calculate or record an allowance for credit loss for these securities. An allowance for credit losses on investment securities held-to-maturity as of December 31, 2023 has been recorded for certain municipal securities issued by state and political subdivisions and corporate debt securities to account for expected lifetime credit loss using the CECL methodology.

The Company’s current policies generally limit securities investments to U.S. Government and securities of government sponsored enterprises, federal funds sold, municipal bonds, corporate debt obligations, subordinated debt of banks and certain mutual funds.  In addition, the Company’s policies permit investments in mortgage-backed securities, including securities issued and guaranteed by Fannie Mae, Freddie Mac, and GNMA, and collateralized mortgage obligations issued by these entities. As of December 31, 2023, all mortgage-backed securities including collateralized mortgage obligations were securities of government sponsored enterprises, no private-label mortgage-backed securities or collateralized mortgage obligations were held in the securities portfolio. The Company’s investments in state and political subdivisions securities generally are municipal obligations that are general obligations supported by the general taxing authority of the issuer, and in some cases are insured. The obligations issued by school districts are supported by state aid. Primarily, these investments are issued by municipalities within New York State.

The Company’s current securities investment strategy utilizes a risk management approach of diversified investing among three categories: short-, intermediate- and long-term. The emphasis of this approach is to increase overall investment securities yields while managing interest rate risk. The Company will only invest in high quality securities as determined by management’s analysis at the time of purchase. The Company generally does not engage in any derivative or hedging transactions, such as balance sheet interest rate swaps or caps.

The following table summarizes the activity in the allowance for credit losses on securities held-to-maturity:

(In thousands)
 
Three months ended
December 31, 2023
   
Six months ended
December 31, 2023
 
Balance beginning of period
 
$
498
    $ -  
Adoption of ASU 2016-13 (CECL) on July 1, 2023
   
-
      503  
Benefit for credit losses
   
(13
)
   
(18
)
Balance end of period
 
$
485
    $ 485  

The following table shows fair value and gross unrealized losses, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2023.

   
Less Than 12 Months
   
More Than 12 Months
   
Total
 
(In thousands, except number of securities)
 
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
   
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
   
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
 
Securities available-for-sale:
                                                     
U.S. government sponsored enterprises
 
$
-
   
$
-
     
-
   
$
11,059
   
$
1,989
     
5
   
$
11,059
   
$
1,989
     
5
 
U.S. Treasury securities
   
778
     
41
     
2
     
15,939
     
1,534
     
6
     
16,717
     
1,575
     
8
 
State and political subdivisions
    -       -       -       83       1       1       83       1       1  
Mortgage-backed securities-residential
   
-
     
-
     
-
     
24,379
     
3,540
     
26
     
24,379
     
3,540
     
26
 
Mortgage-backed securities-multi-family
   
-
     
-
     
-
     
73,248
     
17,557
     
31
     
73,248
     
17,557
     
31
 
Corporate debt securities
    -       -       -       16,623       1,306       16       16,623       1,306       16  
Total securities available-for-sale
   
778
     
41
     
2
     
141,331
     
25,927
     
85
     
142,109
     
25,968
     
87
 
Securities held-to-maturity:
                                                                       
U.S. Treasury securities
    -       -       -       31,939       1,808       8       31,939       1,808       8  
State and political subdivisions
   
11,853
     
182
     
131
     
298,626
     
31,472
     
2,149
     
310,479
     
31,654
     
2,280
 
Mortgage-backed securities-residential
   
3
     
-
     
2
     
31,940
     
2,969
     
27
     
31,943
     
2,969
     
29
 
Mortgage-backed securities-multi-family
   
-
     
-
     
-
     
128,633
     
17,282
     
52
     
128,633
     
17,282
     
52
 
Corporate debt securities
   
3,090
     
409
     
3
     
16,582
     
2,251
     
16
     
19,672
     
2,660
     
19
 
Total securities held-to-maturity
   
14,946
     
591
     
136
     
507,720
     
55,782
     
2,252
     
522,666
     
56,373
     
2,388
 
Total securities
 
$
15,724
   
$
632
     
138
   
$
649,051
   
$
81,709
     
2,337
   
$
664,775
   
$
82,341
     
2,475
 

The following table shows fair value and gross unrealized losses, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023.

   
Less Than 12 Months
   
More Than 12 Months
   
Total
 
(In thousands, except number of securities)
 
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
   
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
   
Fair
Value
   
Unrealized
Losses
   
Number
of
Securities
 
Securities available-for-sale:
                                                     
U.S. government sponsored enterprises
  $ -     $ -       -
    $ 10,823     $ 2,231       5
    $ 10,823     $ 2,231       5
 
U.S. Treasury securities
    761       57       2       15,739       1,792       6       16,500       1,849       8  
State and political subdivisions
    -       -       -       82       2       1       82       2       1  
Mortgage-backed securities-residential
    476       29       7       25,125       3,956       21       25,601       3,985       28  
Mortgage-backed securities-multi-family
    2,679      
182
     
1
     
69,407
     
18,748
     
30
     
72,086
     
18,930
     
31
 
Corporate debt securities
    2,352      
40
     
2
     
15,760
     
1,653
     
15
     
18,112
     
1,693
     
17
 
Total securities available-for-sale
    6,268      
308
     
12
     
136,936
     
28,382
     
78
     
143,204
     
28,690
     
90
 
Securities held-to-maturity:
                                                                       
U.S. Treasury securities
    -      
-
     
-
     
31,267
     
2,438
     
8
     
31,267
     
2,438
     
8
 
State and political subdivisions
    40,412       520       448       295,479       30,142       2,018       335,891       30,662       2,466  
Mortgage-backed securities-residential
    1,982      
120
     
12
     
31,579
     
3,505
     
18
     
33,561
     
3,625
     
30
 
Mortgage-backed securities-multi-family
    5,362      
245
     
2
     
129,360
     
20,079
     
54
     
134,722
     
20,324
     
56
 
Corporate debt securities
    10,236      
2,012
     
9
     
7,970
     
1,414
     
10
     
18,206
     
3,426
     
19
 
Total securities held-to-maturity
    57,992      
2,897
     
471
     
495,655
     
57,578
     
2,108
     
553,647
     
60,475
     
2,579
 
Total securities
  $ 64,260    
$
3,205
   

483
   
$
632,591
   
$
85,960
   

2,186
   
$
696,851
   
$
89,165
   

2,669
 

There were no transfers of securities available-for-sale to held-to-maturity during the three and six months ended December 31, 2023 and 2022, respectively. During the three and six months ended December 31, 2023, there were no sales of securities and no gains or losses were recognized. During the three and six months ended December 31, 2022, a loss of $251,000 was recognized from one sale of an available-for-sale security. The proceeds were used to fund higher yielding loans.

The estimated fair values of debt securities at December 31, 2023, by contractual maturity are shown below. Expected maturities may differ from contractual maturities, because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

(In thousands)
Securities available-for-sale
 
Amortized Cost
   
Fair Value
 
Within one year
 
$
163,173
   
$
164,266
 
After one year through five years
   
40,328
     
37,375
 
After five years through ten years
   
8,906
     
7,342
 
After ten years
   
1,500
     
1,193
 
Total securities available-for-sale
   
213,907
     
210,176
 
Mortgage-backed and asset-backed securities
   
118,730
     
97,633
 
Total securities available-for-sale
   
332,637
     
307,809
 
                 
Securities held-to-maturity
               
Within one year
   
59,515
     
59,094
 
After one year through five years
   
164,587
     
160,857
 
After five years through ten years
   
157,796
     
147,834
 
After ten years
   
138,613
     
122,852
 
Total securities held-to-maturity
   
520,511
     
490,637
 
Mortgage-backed securities
   
180,827
     
160,576
 
Total securities held-to-maturity
   
701,338
     
651,213
 
Total securities
 
$
1,033,975
   
$
959,022
 

At December 31, 2023 and June 30, 2023, securities with an aggregate fair value of $809.1 million and $904.8 million, respectively, were pledged as collateral for deposits in excess of FDIC insurance limits for various municipalities placing deposits with the Commercial Bank.  At December 31, 2023 and June 30, 2023, securities with an aggregate fair value of $24.3 million and $20.8 million, respectively, were pledged as collateral for potential borrowings at the Federal Reserve Bank discount window and the Bank Term Funding Program. The Company did not participate in any securities lending programs during the three and six months ended December 31, 2023 or 2022.

Federal Home Loan Bank Stock

Federal law requires a member institution of the Federal Home Loan Bank (“FHLB”) system to hold stock of its district FHLB according to a predetermined formula. This stock is restricted in that it can only be sold to the FHLB or to another member institution, and all sales of FHLB stock must be at par. As a result of these restrictions, FHLB stock is carried at cost. FHLB stock is held as a long-term investment and its value is determined based on the ultimate recoverability of the par value. Estimated credit loss of this investment is evaluated quarterly and is a matter of judgment that reflects management’s view of the FHLB’s long-term performance, which includes factors such as the following: its operating performance; the severity and duration of declines in the fair value of its net assets related to its capital stock amount; its commitment to make payments required by law or regulation and the level of such payments in relation to its operating performance; the impact of legislative and regulatory changes on the FHLB, and accordingly, on the members of the FHLB; and its liquidity and funding position. After evaluating these considerations, the Company concluded that the par value of its investment in FHLB stock will be recovered and, therefore, no credit loss was recorded during the three and six months ended December 31, 2023 or 2022.