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Securities (Tables) | 6 Months Ended
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Jun. 30, 2025
Securities [Abstract] |
Amortized Cost, Estimated Fair Value and Unrealized Gains (Losses) of AFS Securities | The amortized cost, estimated fair value and unrealized gains (losses) of AFS securities are as follows:
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
As of June 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury |  | $ | 104,095 |  |  | $ | 34 |  |  | $ | (3,920 | ) |  | $ | 100,209 |
Federal agency |  |  | 248,330 |  |  |  | - |  |  |  | (21,708 | ) |  |  | 226,622 |
State & municipal |  |  | 93,556 |  |  |  | 1 |  |  |  | (5,524 | ) |  |  | 88,033 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 460,203 |  |  |  | 837 |  |  |  | (30,288 | ) |  |  | 430,752 |
U.S. government agency securities |  |  | 112,183 |  |  |  | 373 |  |  |  | (4,295 | ) |  |  | 108,261 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 613,607 |  |  |  | 1,210 |  |  |  | (32,928 | ) |  |  | 581,889 |
U.S. government agency securities |  |  | 181,822 |  |  |  | 73 |  |  |  | (24,056 | ) |  |  | 157,839 |
Corporate |  |  | 38,498 |  |  |  | - |  |  |  | (2,675 | ) |  |  | 35,823 |
Total AFS securities |  | $ | 1,852,294 |  |  | $ | 2,528 |  |  | $ | (125,394 | ) |  | $ | 1,729,428 |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury |  | $ | 108,838 |  |  | $ | 59 |  |  | $ | (6,107 | ) |  | $ | 102,790 |
Federal agency |  |  | 248,348 |  |  |  | - |  |  |  | (29,831 | ) |  |  | 218,517 |
State & municipal |  |  | 95,457 |  |  |  | - |  |  |  | (7,967 | ) |  |  | 87,490 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 435,825 |  |  |  | 2 |  |  |  | (41,528 | ) |  |  | 394,299 |
U.S. government agency securities |  |  | 76,528 |  |  |  | 9 |  |  |  | (6,471 | ) |  |  | 70,066 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 546,685 |  |  |  | 142 |  |  |  | (42,831 | ) |  |  | 503,996 |
U.S. government agency securities |  |  | 179,136 |  |  |  | 39 |  |  |  | (26,683 | ) |  |  | 152,492 |
Corporate |  |  | 48,482 |  |  |  | - |  |  |  | (3,468 | ) |  |  | 45,014 |
Total AFS securities |  | $ | 1,739,299 |  |  | $ | 251 |  |  | $ | (164,886 | ) |  | $ | 1,574,664 |
Amortized Cost, Estimated Fair Value and Unrealized Gains (Losses) of HTM Securities | The amortized cost, estimated fair value and unrealized gains (losses) of HTM securities are as follows:
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
As of June 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Federal agency |  | $ | 100,000 |  |  | $ | - |  |  | $ | (12,829 | ) |  | $ | 87,171 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 198,957 |  |  |  | - |  |  |  | (27,343 | ) |  |  | 171,614 |
U.S. government agency securities |  |  | 14,105 |  |  |  | 1 |  |  |  | (51 | ) |  |  | 14,055 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 158,778 |  |  |  | 88 |  |  |  | (8,183 | ) |  |  | 150,683 |
U.S. government agency securities |  |  | 59,142 |  |  |  | - |  |  |  | (10,091 | ) |  |  | 49,051 |
State & municipal |  |  | 278,682 |  |  |  | 2 |  |  |  | (15,871 | ) |  |  | 262,813 |
Total HTM securities |  | $ | 809,664 |  |  | $ | 91 |  |  | $ | (74,368 | ) |  | $ | 735,387 |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency |  | $ | 100,000 |  |  | $ | - |  |  | $ | (16,656 | ) |  | $ | 83,344 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 208,579 |  |  |  | - |  |  |  | (34,349 | ) |  |  | 174,230 |
U.S. government agency securities |  |  | 15,611 |  |  |  | 1 |  |  |  | (516 | ) |  |  | 15,096 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises |  |  | 168,018 |  |  |  | - |  |  |  | (11,554 | ) |  |  | 156,464 |
U.S. government agency securities |  |  | 60,906 |  |  |  | - |  |  |  | (11,245 | ) |  |  | 49,661 |
State & municipal |  |  | 289,807 |  |  |  | 41 |  |  |  | (18,698 | ) |  |  | 271,150 |
Total HTM securities |  | $ | 842,921 |  |  | $ | 42 |  |  | $ | (93,018 | ) |  | $ | 749,945 |
Gains and (Losses) on Equity Securities | The following tables set forth information with regard to gains and (losses) on equity securities:
|  | Three Months Ended June 30, |
(In thousands) |  | 2025 |  |  | 2024 |
Net gains (losses) recognized on equity securities |  | $ | 112 |  |  | $ | (92 | )
Less: Net gains (losses) recognized on equity securities sold during the period |  |  | (35 | ) |  |  | - |
Unrealized gains (losses) recognized on equity securities still held |  | $ | 147 |  |  | $ | (92 | )
|  | Six Months Ended June 30, |
(In thousands) |  | 2025 |  |  | 2024 |
Net gains (losses) recognized on equity securities |  | $ | 8 |  |  | $ | (193 | )
Less: Net gains (losses) recognized on equity securities sold during the period |  |  | (35 | ) |  |  | - |
Unrealized gains (losses) recognized on equity securities still held |  | $ | 43 |  |  | $ | (193 | )
Contractual Maturities of Debt Securities | The following table sets forth information with regard to contractual maturities of debt securities at June 30, 2025:
(In thousands) |  | Amortized Cost |  |  | Estimated Fair Value |
AFS debt securities: |  |  |  |  |  |
Within one year |  | $ | 90,827 |  |  | $ | 89,677 |
From one to five years |  |  | 632,475 |  |  |  | 594,417 |
From five to ten years |  |  | 221,923 |  |  |  | 208,864 |
After ten years |  |  | 907,069 |  |  |  | 836,470 |
Total AFS debt securities |  | $ | 1,852,294 |  |  | $ | 1,729,428 |
HTM debt securities: |  |  |  |  |  |  |  |
Within one year |  | $ | 92,748 |  |  | $ | 92,656 |
From one to five years |  |  | 198,559 |  |  |  | 187,673 |
From five to ten years |  |  | 151,189 |  |  |  | 135,999 |
After ten years |  |  | 367,168 |  |  |  | 319,059 |
Total HTM debt securities |  | $ | 809,664 |  |  | $ | 735,387 |
Investment Securities with Unrealized Losses | The following table sets forth information with regard to investment securities with unrealized losses, for which an allowance for credit losses has not been recorded, segregated according to the length of time the securities were in a continuous unrealized loss position:
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
(In thousands) |  | Fair Value |  |  | Unrealized Losses |  |  | Number of Positions |  |  | Fair Value |  |  | Unrealized Losses |  |  | Number of Positions |  |  | Fair Value |  |  | Unrealized Losses |  |  | Number of Positions |
As of June 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AFS securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury |  | $ | - |  |  | $ | - |  |  |  | - |  |  | $ | 95,173 |  |  | $ | (3,920 | ) |  |  | 5 |  |  | $ | 95,173 |  |  | $ | (3,920 | ) |  |  | 5 |
Federal agency |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 226,622 |  |  |  | (21,708 | ) |  |  | 16 |  |  |  | 226,622 |  |  |  | (21,708 | ) |  |  | 16 |
State & municipal |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 87,272 |  |  |  | (5,524 | ) |  |  | 65 |  |  |  | 87,272 |  |  |  | (5,524 | ) |  |  | 65 |
Mortgage-backed |  |  | 34,785 |  |  |  | (218 | ) |  |  | 7 |  |  |  | 350,950 |  |  |  | (34,365 | ) |  |  | 146 |  |  |  | 385,735 |  |  |  | (34,583 | ) |  |  | 153 |
Collateralized mortgage obligations |  |  | 113,346 |  |  |  | (489 | ) |  |  | 13 |  |  |  | 468,427 |  |  |  | (56,495 | ) |  |  | 112 |  |  |  | 581,773 |  |  |  | (56,984 | ) |  |  | 125 |
Corporate |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 35,823 |  |  |  | (2,675 | ) |  |  | 13 |  |  |  | 35,823 |  |  |  | (2,675 | ) |  |  | 13 |
Total securities with unrealized losses |  | $ | 148,131 |  |  | $ | (707 | ) |  |  | 20 |  |  | $ | 1,264,267 |  |  | $ | (124,687 | ) |  |  | 357 |  |  | $ | 1,412,398 |  |  | $ | (125,394 | ) |  |  | 377 |
HTM securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency |  | $ | - |  |  | $ | - |  |  |  | - |  |  | $ | 87,171 |  |  | $ | (12,829 | ) |  |  | 4 |  |  | $ | 87,171 |  |  | $ | (12,829 | ) |  |  | 4 |
Mortgage-backed |  |  | 11,031 |  |  |  | (4 | ) |  |  | 1 |  |  |  | 174,596 |  |  |  | (27,390 | ) |  |  | 33 |  |  |  | 185,627 |  |  |  | (27,394 | ) |  |  | 34 |
Collateralized mortgage obligation |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 193,085 |  |  |  | (18,274 | ) |  |  | 49 |  |  |  | 193,085 |  |  |  | (18,274 | ) |  |  | 49 |
State & municipal |  |  | 10,812 |  |  |  | (171 | ) |  |  | 12 |  |  |  | 157,826 |  |  |  | (15,700 | ) |  |  | 171 |  |  |  | 168,638 |  |  |  | (15,871 | ) |  |  | 183 |
Total securities with unrealized losses |  | $ | 21,843 |  |  | $ | (175 | ) |  |  | 13 |  |  | $ | 612,678 |  |  | $ | (74,193 | ) |  |  | 257 |  |  | $ | 634,521 |  |  | $ | (74,368 | ) |  |  | 270 |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AFS securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury |  | $ | - |  |  | $ | - |  |  |  | - |  |  | $ | 92,737 |  |  | $ | (6,107 | ) |  |  | 5 |  |  | $ | 92,737 |  |  | $ | (6,107 | ) |  |  | 5 |
Federal agency |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 218,517 |  |  |  | (29,831 | ) |  |  | 16 |  |  |  | 218,517 |  |  |  | (29,831 | ) |  |  | 16 |
State & municipal |  |  | 759 |  |  |  | (4 | ) |  |  | 1 |  |  |  | 86,731 |  |  |  | (7,963 | ) |  |  | 66 |  |  |  | 87,490 |  |  |  | (7,967 | ) |  |  | 67 |
Mortgage-backed |  |  | 95,153 |  |  |  | (1,374 | ) |  |  | 16 |  |  |  | 368,589 |  |  |  | (46,625 | ) |  |  | 152 |  |  |  | 463,742 |  |  |  | (47,999 | ) |  |  | 168 |
Collateralized mortgage obligations |  |  | 98,494 |  |  |  | (1,128 | ) |  |  | 14 |  |  |  | 480,891 |  |  |  | (68,386 | ) |  |  | 116 |  |  |  | 579,385 |  |  |  | (69,514 | ) |  |  | 130 |
Corporate |  |  | 1,478 |  |  |  | (9 | ) |  |  | 1 |  |  |  | 43,536 |  |  |  | (3,459 | ) |  |  | 14 |  |  |  | 45,014 |  |  |  | (3,468 | ) |  |  | 15 |
Total securities with unrealized losses |  | $ | 195,884 |  |  | $ | (2,515 | ) |  |  | 32 |  |  | $ | 1,291,001 |  |  | $ | (162,371 | ) |  |  | 369 |  |  | $ | 1,486,885 |  |  | $ | (164,886 | ) |  |  | 401 |
HTM securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency |  | $ | - |  |  | $ | - |  |  |  | - |  |  | $ | 83,344 |  |  | $ | (16,656 | ) |  |  | 4 |  |  | $ | 83,344 |  |  | $ | (16,656 | ) |  |  | 4 |
Mortgage-backed |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 189,271 |  |  |  | (34,865 | ) |  |  | 34 |  |  |  | 189,271 |  |  |  | (34,865 | ) |  |  | 34 |
Collateralized mortgage obligations |  |  | 7,147 |  |  |  | (7 | ) |  |  | 1 |  |  |  | 198,978 |  |  |  | (22,792 | ) |  |  | 52 |  |  |  | 206,125 |  |  |  | (22,799 | ) |  |  | 53 |
State & municipal |  |  | 9,458 |  |  |  | (107 | ) |  |  | 12 |  |  |  | 168,945 |  |  |  | (18,591 | ) |  |  | 186 |  |  |  | 178,403 |  |  |  | (18,698 | ) |  |  | 198 |
Total securities with unrealized losses |  | $ | 16,605 |  |  | $ | (114 | ) |  |  | 13 |  |  | $ | 640,538 |  |  | $ | (92,904 | ) |  |  | 276 |  |  | $ | 657,143 |  |  | $ | (93,018 | ) |  |  | 289 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 + Details
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