| Schedule of available-for-sale and held-to-maturity debt securities by date |
| | | | | | | | | | | | | | | March 31, 2025 | | | | | Gross | | Gross | | | | | Amortized | | Unrealized | | Unrealized | | Fair | | | Cost | | Gains | | Losses | | Value | | | | (In thousands) | Securities available-for-sale: | | | | | | | | | | | | | Mortgage-backed securities – agency | | $ | 100,521 | | $ | 38 | | $ | (14,821) | | $ | 85,738 | Collateralized mortgage obligations ("CMOs") – agency | | | 152,293 | | | 821 | | | (1,933) | | | 151,181 | Total available-for-sale | | $ | 252,814 | | $ | 859 | | $ | (16,754) | | $ | 236,919 | | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | Amortized | | Unrecognized | | Unrecognized | | Fair | | | Cost | | Gains | | Losses | | Value | | | | (In thousands) | Securities held-to-maturity: | | | | | | | | | | | | | CMOs – agency | | $ | 66,736 | | $ | 5 | | $ | (6,437) | | $ | 60,304 | Total held-to-maturity | | $ | 66,736 | | $ | 5 | | $ | (6,437) | | $ | 60,304 | | | | | | | | | | | | | | | | December 31, 2024 | | | | | Gross | | Gross | | | | | Amortized | | Unrealized | | Unrealized | | Fair | | | Cost | | Gains | | Losses | | Value | | | | (In thousands) | Securities available-for-sale: | | | | | | | | | | | | | Mortgage-backed securities – agency | | $ | 103,009 | | $ | — | | $ | (17,057) | | $ | 85,952 | CMOs – agency | | | 158,442 | | | 271 | | | (2,919) | | | 155,794 | Total available-for-sale | | $ | 261,451 | | $ | 271 | | $ | (19,976) | | $ | 241,746 | | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | Amortized | | Unrecognized | | Unrecognized | | Fair | | | Cost | | Gains | | Losses | | Value | | | | (In thousands) | Securities held-to-maturity: | | | | | | | | | | | | | CMOs – agency | | $ | 68,660 | | $ | — | | $ | (7,729) | | $ | 60,931 | Total held-to-maturity | | $ | 68,660 | | $ | — | | $ | (7,729) | | $ | 60,931 |
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| Schedule of gross unrealized and unrecognized losses and fair value for available-for-sale and held-to-maturity debt securities in continuous unrealized loss positions |
| | | | | | | | | | | | | | | | | | | | | March 31, 2025 | | | Less Than 12 Months | | 12 Months or Longer | | Total | | | Fair
Value | | Gross
Unrealized
Losses | | Fair
Value | | Gross
Unrealized
Losses | | Fair
Value | | Gross
Unrealized
Losses | | | | (In thousands) | Securities available-for-sale: | | | | | | | | | | | | | | | | | | | Mortgage-backed securities – agency | | $ | 3,049 | | $ | (5) | | $ | 76,485 | | $ | (14,816) | | $ | 79,534 | | $ | (14,821) | CMOs – agency | | | 34,382 | | | (215) | | | 10,339 | | | (1,718) | | | 44,721 | | | (1,933) | Total available-for-sale | | $ | 37,431 | | $ | (220) | | $ | 86,824 | | $ | (16,534) | | $ | 124,255 | | $ | (16,754) | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or Longer | | Total | | | Fair
Value | | Gross
Unrecognized
Losses | | Fair
Value | | Gross
Unrecognized
Losses | | Fair
Value | | Gross
Unrecognized
Losses | | | | (In thousands) | Securities held-to-maturity: | | | | | | | | | | | | | | | | | | | CMOs – agency | | $ | — | | $ | — | | $ | 56,148 | | $ | (6,437) | | $ | 56,148 | | $ | (6,437) | Total held-to-maturity | | $ | — | | $ | — | | $ | 56,148 | | $ | (6,437) | | $ | 56,148 | | $ | (6,437) | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | | Less Than 12 Months | | 12 Months or Longer | | Total | | | Fair
Value | | Gross
Unrealized
Losses | | Fair
Value | | Gross
Unrealized
Losses | | Fair
Value | | Gross
Unrealized
Losses | | | | (In thousands) | Securities available-for-sale: | | | | | | | | | | | | | | | | | | | Mortgage-backed securities – agency | | $ | 6,341 | | $ | (84) | | $ | 79,610 | | $ | (16,973) | | $ | 85,951 | | $ | (17,057) | CMOs – agency | | | 94,642 | | | (998) | | | 10,729 | | | (1,921) | | | 105,371 | | | (2,919) | Total available-for-sale | | $ | 100,983 | | $ | (1,082) | | $ | 90,339 | | $ | (18,894) | | $ | 191,322 | | $ | (19,976) | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or Longer | | Total | | | Fair
Value | | Gross
Unrecognized
Losses | | Fair
Value | | Gross
Unrecognized
Losses | | Fair
Value | | Gross
Unrecognized
Losses | | | | (In thousands) | Securities held-to-maturity: | | | | | | | | | | | | | | | | | | | CMOs – agency | | $ | — | | $ | — | | $ | 56,523 | | $ | (7,729) | | $ | 56,523 | | $ | (7,729) | Total held-to-maturity | | $ | — | | $ | — | | $ | 56,523 | | $ | (7,729) | | $ | 56,523 | | $ | (7,729) |
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