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SECURITIES (Tables) | 9 Months Ended
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Sep. 30, 2025
SECURITIES |
Schedule of amortized cost and fair value of available-for-sale debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | September 30, 2025
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
​ |  | Amortized |  | Holding |  | Holding |  | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Obligations of the U.S. Treasury | ​ | $ | 8,052 | ​ | $ | 0 | ​ | $ | (623) | ​ | $ | 7,429
Obligations of U.S. Government agencies | ​ | ​ | 9,436 | ​ | ​ | 0 | ​ | ​ | (766) | ​ | ​ | 8,670
Bank holding company debt securities | ​ | ​ | 28,963 | ​ | ​ | 0 | ​ | ​ | (2,672) | ​ | ​ | 26,291
Obligations of states and political subdivisions: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Tax-exempt | ​ |  | 105,922 | ​ | ​ | 275 | ​ |  | (8,669) | ​ |  | 97,528
Taxable | ​ |  | 50,373 | ​ |  | 1 | ​ |  | (6,512) | ​ |  | 43,862
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Residential pass-through securities | ​ |  | 107,771 | ​ |  | 451 | ​ |  | (6,287) | ​ |  | 101,935
Residential collateralized mortgage obligations | ​ |  | 54,678 | ​ |  | 52 | ​ |  | (2,310) | ​ |  | 52,420
Commercial mortgage-backed securities | ​ |  | 72,433 | ​ |  | 13 | ​ |  | (6,749) | ​ |  | 65,697
Private label commercial mortgage-backed securities | ​ | ​ | 3,471 | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 3,471
Asset-backed securities, | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Collateralized loan obligations | ​ | ​ | 8,000 | ​ |  | 11 | ​ |  | (1) | ​ |  | 8,010
Total available-for-sale debt securities | ​ | $ | 449,099 | ​ | $ | 803 | ​ | $ | (34,589) | ​ | $ | 415,313
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | December 31, 2024
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
​ |  | Amortized |  | Holding |  | Holding |  | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Obligations of the U.S. Treasury | ​ | $ | 8,067 | ​ | $ | 0 | ​ | $ | (949) | ​ | $ | 7,118
Obligations of U.S. Government agencies | ​ | ​ | 10,154 | ​ | ​ | 0 | ​ | ​ | (1,129) | ​ | ​ | 9,025
Bank holding company debt securities | ​ | ​ | 28,958 | ​ | ​ | 0 | ​ | ​ | (3,712) | ​ | ​ | 25,246
Obligations of states and political subdivisions: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Tax-exempt | ​ |  | 111,995 | ​ | ​ | 238 | ​ |  | (10,931) | ​ |  | 101,302
Taxable | ​ |  | 51,147 | ​ |  | 0 | ​ |  | (8,641) | ​ |  | 42,506
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Residential pass-through securities | ​ |  | 104,378 | ​ |  | 6 | ​ |  | (9,970) | ​ |  | 94,414
Residential collateralized mortgage obligations | ​ |  | 53,389 | ​ |  | 10 | ​ |  | (3,505) | ​ |  | 49,894
Commercial mortgage-backed securities | ​ |  | 73,470 | ​ |  | 0 | ​ |  | (8,969) | ​ |  | 64,501
Private label commercial mortgage-backed securities | ​ | ​ | 8,365 | ​ |  | 9 | ​ |  | 0 | ​ |  | 8,374
Total available-for-sale debt securities | ​ | $ | 449,923 | ​ | $ | 263 | ​ | $ | (47,806) | ​ | $ | 402,380
Schedule of gross unrealized losses and fair value of available-for-sale debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
September 30, 2025 |  | Less Than 12 Months |  | 12 Months or More |  | Total
(In Thousands) | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Obligations of the U.S. Treasury | ​ | $ | 0 | ​ | $ | 0 | ​ | $ | 7,429 | ​ | $ | (623) | ​ | $ | 7,429 | ​ | $ | (623)
Obligations of U.S. Government agencies | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 8,670 | ​ | ​ | (766) | ​ | ​ | 8,670 | ​ | ​ | (766)
Bank holding company debt securities | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 26,291 | ​ | ​ | (2,672) | ​ | ​ | 26,291 | ​ | ​ | (2,672)
Obligations of states and political subdivisions: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax-exempt | ​ | ​ | 554 | ​ | ​ | (11) | ​ | ​ | 86,573 | ​ | ​ | (8,658) | ​ | ​ | 87,127 | ​ | ​ | (8,669)
Taxable | ​ |  | 0 | ​ | ​ | 0 | ​ | ​ | 43,289 | ​ | ​ | (6,512) | ​ | ​ | 43,289 | ​ | ​ | (6,512)
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential pass-through securities | ​ | ​ | 6,631 | ​ | ​ | (32) | ​ | ​ | 59,944 | ​ | ​ | (6,255) | ​ | ​ | 66,575 | ​ | ​ | (6,287)
Residential collateralized mortgage obligations | ​ |  | 15,224 | ​ | ​ | (28) | ​ | ​ | 21,952 | ​ | ​ | (2,282) | ​ | ​ | 37,176 | ​ | ​ | (2,310)
Commercial mortgage-backed securities | ​ |  | 861 | ​ | ​ | (10) | ​ | ​ | 62,464 | ​ | ​ | (6,739) | ​ | ​ | 63,325 | ​ | ​ | (6,749)
Private label commercial mortgage-backed securities | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0
Asset-backed securities, | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Collateralized loan obligations | ​ | ​ | 2,999 | ​ | ​ | (1) | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 2,999 | ​ | ​ | (1)
Total | ​ | $ | 26,269 | ​ | $ | (82) | ​ | $ | 316,612 | ​ | $ | (34,507) | ​ | $ | 342,881 | ​ | $ | (34,589)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2024 |  | Less Than 12 Months |  | 12 Months or More |  | Total
(In Thousands) | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Obligations of the U.S. Treasury | ​ | $ | 0 | ​ | $ | 0 | ​ | $ | 7,118 | ​ | ​ | (949) | ​ | $ | 7,118 | ​ | $ | (949)
Obligations of U.S. Government agencies | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 9,025 | ​ | ​ | (1,129) | ​ | ​ | 9,025 | ​ | ​ | (1,129)
Bank holding company debt securities | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 25,246 | ​ | ​ | (3,712) | ​ | ​ | 25,246 | ​ | ​ | (3,712)
Obligations of states and political subdivisions: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax-exempt | ​ | ​ | 6,581 | ​ | ​ | (58) | ​ | ​ | 91,316 | ​ | ​ | (10,873) | ​ | ​ | 97,897 | ​ | ​ | (10,931)
Taxable | ​ |  | 0 | ​ | ​ | 0 | ​ | ​ | 42,506 | ​ | ​ | (8,641) | ​ | ​ | 42,506 | ​ | ​ | (8,641)
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential pass-through securities | ​ | ​ | 22,777 | ​ | ​ | (375) | ​ | ​ | 69,282 | ​ | ​ | (9,595) | ​ | ​ | 92,059 | ​ | ​ | (9,970)
Residential collateralized mortgage obligations | ​ |  | 19,586 | ​ | ​ | (156) | ​ | ​ | 27,157 | ​ | ​ | (3,349) | ​ | ​ | 46,743 | ​ | ​ | (3,505)
Commercial mortgage-backed securities | ​ |  | 2,314 | ​ | ​ | (38) | ​ | ​ | 62,187 | ​ | ​ | (8,931) | ​ | ​ | 64,501 | ​ | ​ | (8,969)
Total | ​ | $ | 51,258 | ​ | $ | (627) | ​ | $ | 333,837 | ​ | $ | (47,179) | ​ | $ | 385,095 | ​ | $ | (47,806)
Schedule of the amortized cost and fair value of available-for-sale debt securities by contractual maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) | ​ | September 30, 2025
​ | ​ | Amortized | ​ | Fair
​ |  | Cost |  | Value
Due in one year or less | ​ | $ | 2,691 | ​ | $ | 2,679
Due from one year through five years | ​ |  | 36,667 | ​ |  | 35,024
Due from five years through ten years | ​ |  | 78,966 | ​ |  | 73,179
Due after ten years | ​ |  | 84,422 | ​ |  | 72,898
Sub-total | ​ |  | 202,746 | ​ |  | 183,780
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  |  | ​ |  | ​
Residential pass-through securities | ​ |  | 107,771 | ​ |  | 101,935
Residential collateralized mortgage obligations | ​ |  | 54,678 | ​ |  | 52,420
Commercial mortgage-backed securities | ​ |  | 72,433 | ​ |  | 65,697
Private label commercial mortgage-backed securities | ​ | ​ | 3,471 | ​ | ​ | 3,471
Asset-backed securities, | ​ | ​ | ​ | ​ | ​ | ​
Collateralized loan obligations | ​ | ​ | 8,000 | ​ | ​ | 8,010
Total | ​ | $ | 449,099 | ​ | $ | 415,313

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