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INVESTMENT SECURITIES (Tables) | 6 Months Ended
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Jun. 30, 2025
Investment Securities Available For Sale [Abstract] |
Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale | A summary of amortized cost and approximate fair value of investment securities available for sale and held to maturity included in the Consolidated Statements of Condition as of June 30, 2025 and December 31, 2024 follows:
|  | June 30, 2025 |
|  |  |  |  | Gross |  |  | Gross |  |  | Allowance |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | for |  |  | Fair |
(In thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Credit Losses |  |  | Value |
Securities Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S government-sponsored agencies |  | $ | 244,823 |  |  | $ | — |  |  | $ | (39,420 | ) |  | $ | — |  |  | $ | 205,403 |
Mortgage-backed securities–residential |  |  | 565,416 |  |  |  | 3,716 |  |  |  | (40,409 | ) |  |  | — |  |  |  | 528,723 |
SBA pool securities |  |  | 21,187 |  |  |  | — |  |  |  | (2,524 | ) |  |  | — |  |  |  | 18,663 |
Corporate bond |  |  | 15,500 |  |  |  | 141 |  |  |  | (897 | ) |  |  | — |  |  |  | 14,744 |
Total securities available for sale |  | $ | 846,926 |  |  | $ | 3,857 |  |  | $ | (83,250 | ) |  | $ | — |  |  | $ | 767,533 |
Securities Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | 40,000 |  |  | $ | — |  |  | $ | (1,738 | ) |  | $ | — |  |  | $ | 38,262 |
Mortgage-backed securities–residential |  |  | 58,623 |  |  |  | — |  |  |  | (8,806 | ) |  |  | — |  |  |  | 49,817 |
Total securities held to maturity |  | $ | 98,623 |  |  | $ | — |  |  | $ | (10,544 | ) |  | $ | — |  |  | $ | 88,079 |
|  | December 31, 2024 |
|  |  |  |  | Gross |  |  | Gross |  |  | Allowance |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | for |  |  | Fair |
(In thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Credit Losses |  |  | Value |
Securities Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S government-sponsored agencies |  | $ | 244,813 |  |  | $ | — |  |  | $ | (47,899 | ) |  | $ | — |  |  | $ | 196,914 |
Mortgage-backed securities–residential |  |  | 595,789 |  |  |  | 1,086 |  |  |  | (48,263 | ) |  |  | — |  |  |  | 548,612 |
SBA pool securities |  |  | 27,772 |  |  |  | — |  |  |  | (3,290 | ) |  |  | — |  |  |  | 24,482 |
Corporate bond |  |  | 15,500 |  |  |  | 105 |  |  |  | (1,069 | ) |  |  | — |  |  |  | 14,536 |
Total securities available for sale |  | $ | 883,874 |  |  | $ | 1,191 |  |  | $ | (100,521 | ) |  | $ | — |  |  | $ | 784,544 |
Securities Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | 40,000 |  |  | $ | — |  |  | $ | (2,666 | ) |  | $ | — |  |  | $ | 37,334 |
Mortgage-backed securities–residential |  |  | 61,635 |  |  |  | — |  |  |  | (10,319 | ) |  |  | — |  |  |  | 51,316 |
Total securities held to maturity |  | $ | 101,635 |  |  | $ | — |  |  | $ | (12,985 | ) |  | $ | — |  |  | $ | 88,650 |
Summary of Gross Gains, Gross Losses and Net Tax Benefit Related to Proceeds on Sales of Securities Available for Sale | The following table presents a summary of the gross gains, gross losses and net tax expense related to proceeds on sales of securities available for sale for the three and six months ended June 30, 2025. There were no sales of securities for the three and six months ended June 30, 2024.
(In thousands) |  | June 30, 2025 |
Proceeds from sales |  | $ | 53,182 |
Gross gains |  |  | 7 |
Net tax expense |  |  | (2 | )
Schedule of Available for Sale Securities with Continuous Unrealized Losses and Approximate Fair Value of Investments | The following tables present the Company’s available for sale and held to maturity securities with continuous unrealized losses and the approximate fair value of these investments as of June 30, 2025 and December 31, 2024.
|  | June 30, 2025 |
|  | Duration of Unrealized Loss |
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Approximate |  |  |  |  |  | Approximate |  |  |  |  |  | Approximate |  |  |  |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(In thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
Securities Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | — |  |  | $ | — |  |  | $ | 205,403 |  |  | $ | (39,420 | ) |  | $ | 205,403 |  |  | $ | (39,420 | )
Mortgage-backed securities residential |  |  | 18,288 |  |  |  | (206 | ) |  |  | 206,109 |  |  |  | (40,203 | ) |  |  | 224,397 |  |  |  | (40,409 | )
SBA pool securities |  |  | 313 |  |  |  | (1 | ) |  |  | 18,350 |  |  |  | (2,523 | ) |  |  | 18,663 |  |  |  | (2,524 | )
Corporate bond |  |  | — |  |  |  | — |  |  |  | 9,103 |  |  |  | (897 | ) |  |  | 9,103 |  |  |  | (897 | )
Total securities available for sale |  | $ | 18,601 |  |  | $ | (207 | ) |  | $ | 438,965 |  |  | $ | (83,043 | ) |  | $ | 457,566 |  |  | $ | (83,250 | )
Securities Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | — |  |  | $ | — |  |  | $ | 38,262 |  |  | $ | (1,738 | ) |  | $ | 38,262 |  |  | $ | (1,738 | )
Mortgage-backed securities residential |  |  | — |  |  |  | — |  |  |  | 49,817 |  |  |  | (8,806 | ) |  |  | 49,817 |  |  |  | (8,806 | )
Total securities held to maturity |  | $ | — |  |  | $ | — |  |  | $ | 88,079 |  |  | $ | (10,544 | ) |  | $ | 88,079 |  |  | $ | (10,544 | )
Total securities |  | $ | 18,601 |  |  | $ | (207 | ) |  | $ | 527,044 |  |  | $ | (93,587 | ) |  | $ | 545,645 |  |  | $ | (93,794 | )
|  | December 31, 2024 |
|  | Duration of Unrealized Loss |
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Approximate |  |  |  |  |  | Approximate |  |  |  |  |  | Approximate |  |  |  |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(In thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
Securities Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | — |  |  | $ | — |  |  | $ | 196,914 |  |  | $ | (47,899 | ) |  | $ | 196,914 |  |  | $ | (47,899 | )
Mortgage-backed securities residential |  |  | 171,531 |  |  |  | (2,063 | ) |  |  | 216,735 |  |  |  | (46,200 | ) |  |  | 388,266 |  |  |  | (48,263 | )
SBA pool securities |  |  | 4,861 |  |  |  | (11 | ) |  |  | 19,621 |  |  |  | (3,279 | ) |  |  | 24,482 |  |  |  | (3,290 | )
Corporate bond |  |  | — |  |  |  | — |  |  |  | 8,931 |  |  |  | (1,069 | ) |  |  | 8,931 |  |  |  | (1,069 | )
Total securities available for sale |  | $ | 176,392 |  |  | $ | (2,074 | ) |  | $ | 442,201 |  |  | $ | (98,447 | ) |  | $ | 618,593 |  |  | $ | (100,521 | )
Securities Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government-sponsored agencies |  | $ | — |  |  | $ | — |  |  | $ | 37,334 |  |  | $ | (2,666 | ) |  | $ | 37,334 |  |  | $ | (2,666 | )
Mortgage-backed securities residential |  |  | — |  |  |  | — |  |  |  | 51,316 |  |  |  | (10,319 | ) |  |  | 51,316 |  |  |  | (10,319 | )
Total securities held to maturity |  | $ | — |  |  | $ | — |  |  | $ | 88,650 |  |  | $ | (12,985 | ) |  | $ | 88,650 |  |  | $ | (12,985 | )
Total securities |  | $ | 176,392 |  |  | $ | (2,074 | ) |  | $ | 530,851 |  |  | $ | (111,432 | ) |  | $ | 707,243 |  |  | $ | (113,506 | )

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