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SECURITIES (Tables) | 12 Months Ended
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Dec. 31, 2024
SECURITIES |
Schedule of amortized cost and fair value of available-for-sale debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(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
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | December 31, 2023
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
​ |  | Amortized |  | Holding |  | Holding |  | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Obligations of the U.S. Treasury | ​ | $ | 12,325 | ​ | $ | 0 | ​ | $ | (1,035) | ​ | $ | 11,290
Obligations of U.S. Government agencies | ​ | ​ | 11,119 | ​ | ​ | 0 | ​ | ​ | (1,173) | ​ | ​ | 9,946
Bank holding company debt securities | ​ | ​ | 28,952 | ​ | ​ | 0 | ​ | ​ | (5,452) | ​ | ​ | 23,500
Obligations of states and political subdivisions: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Tax-exempt | ​ |  | 113,464 | ​ | ​ | 311 | ​ |  | (9,576) | ​ |  | 104,199
Taxable | ​ |  | 58,720 | ​ |  | 0 | ​ |  | (8,609) | ​ |  | 50,111
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ |  |  | ​ |  | ​ | ​ |  |
Residential pass-through securities | ​ |  | 105,549 | ​ |  | 40 | ​ |  | (10,184) | ​ |  | 95,405
Residential collateralized mortgage obligations | ​ |  | 50,212 | ​ |  | 0 | ​ |  | (3,750) | ​ |  | 46,462
Commercial mortgage-backed securities | ​ |  | 76,412 | ​ |  | 0 | ​ |  | (9,730) | ​ |  | 66,682
Private label commercial mortgage-backed securities | ​ | ​ | 8,215 | ​ |  | 0 | ​ |  | (55) | ​ |  | 8,160
Total available-for-sale debt securities | ​ | $ | 464,968 | ​ | $ | 351 | ​ | $ | (49,564) | ​ | $ | 415,755
Schedule of gross unrealized losses and fair value of available-for-sale debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2023 |  | 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 | ​ | $ | 11,290 | ​ | $ | (1,035) | ​ | $ | 11,290 | ​ | $ | (1,035)
Obligations of U.S. Government agencies | ​ | ​ | 1,595 | ​ | ​ | (9) | ​ | ​ | 8,351 | ​ | ​ | (1,164) | ​ | ​ | 9,946 | ​ | ​ | (1,173)
Bank holding company debt securities | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 23,500 | ​ | ​ | (5,452) | ​ | ​ | 23,500 | ​ | ​ | (5,452)
Obligations of states and political subdivisions: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax-exempt | ​ | ​ | 3,257 | ​ | ​ | (24) | ​ | ​ | 96,758 | ​ | ​ | (9,552) | ​ | ​ | 100,015 | ​ | ​ | (9,576)
Taxable | ​ |  | 0 | ​ | ​ | 0 | ​ |  | 49,961 | ​ | ​ | (8,609) | ​ |  | 49,961 | ​ |  | (8,609)
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ |  |  | ​ |  |
Residential pass-through securities | ​ | ​ | 3,334 | ​ | ​ | (27) | ​ | ​ | 84,297 | ​ | ​ | (10,157) | ​ | ​ | 87,631 | ​ | ​ | (10,184)
Residential collateralized mortgage obligations | ​ |  | 3,588 | ​ | ​ | (2) | ​ |  | 32,808 | ​ | ​ | (3,748) | ​ |  | 36,396 | ​ |  | (3,750)
Commercial mortgage-backed securities | ​ |  | 2,327 | ​ | ​ | (16) | ​ |  | 64,355 | ​ | ​ | (9,714) | ​ |  | 66,682 | ​ |  | (9,730)
Private label commercial mortgage-backed securities | ​ | ​ | 8,160 | ​ | ​ | (55) | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 8,160 | ​ | ​ | (55)
Total | ​ | $ | 22,261 | ​ | $ | (133) | ​ | $ | 371,320 | ​ | $ | (49,431) | ​ | $ | 393,581 | ​ | $ | (49,564)
Schedule of gross realized gains and losses from available-for-sale | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) | ​ | 2024 | ​ | 2023 | ​ | 2022
Gross realized gains from sales | ​ | $ | 0 | ​ | $ | 89 | ​ | $ | 48
Gross realized losses from sales | ​ |  | 0 | ​ |  | (3,125) | ​ |  | (28)
Net realized (losses) gains | ​ | $ | 0 | ​ | $ | (3,036) | ​ | $ | 20
Income tax provision related to net realized (losses) gains | ​ | $ | 0 | ​ | $ | (638) | ​ | $ | 4
Schedule of the amortized cost and fair value of available-for-sale debt securities by contractual maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) | ​ | December 31, 2024
​ | ​ | Amortized | ​ | Fair
​ |  | Cost |  | Value
Due in one year or less | ​ | $ | 5,296 | ​ | $ | 5,252
Due from one year through five years | ​ |  | 33,440 | ​ |  | 31,113
Due from five years through ten years | ​ |  | 78,665 | ​ |  | 70,174
Due after ten years | ​ |  | 92,920 | ​ |  | 78,658
Sub-total | ​ |  | 210,321 | ​ |  | 185,197
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies: | ​ |  |  | ​ |  | ​
Residential pass-through securities | ​ |  | 104,378 | ​ |  | 94,414
Residential collateralized mortgage obligations | ​ |  | 53,389 | ​ |  | 49,894
Commercial mortgage-backed securities | ​ |  | 73,470 | ​ |  | 64,501
Private label commercial mortgage-backed securities | ​ | ​ | 8,365 | ​ | ​ | 8,374
Total | ​ | $ | 449,923 | ​ | $ | 402,380

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