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SECURITIES - Schedule of Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Total | $ 2,290,766 | $ 1,831,688
Gross Unrealized Gains | 10,611 | 1,729
Gross Unrealized Losses | (102,918) | (160,401)
Fair Value | 2,198,459 | 1,673,016
U.S. government and agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total | 394,361 | 198,962
Gross Unrealized Gains | 497 | 348
Gross Unrealized Losses | (2,383) | (5,707)
Fair Value | 392,475 | 193,603
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total | 218,143 | 219,545
Gross Unrealized Gains | 627 | 367
Gross Unrealized Losses | (22,569) | (28,459)
Fair Value | 196,201 | 191,453
Agency mortgage-backed pass-through securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total | 831,815 | 566,719
Gross Unrealized Gains | 5,548 | 3
Gross Unrealized Losses | (29,377) | (45,346)
Fair Value | 807,986 | 521,376
Agency collateralized mortgage obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total | 737,627 | 730,861
Gross Unrealized Gains | 3,375 | 830
Gross Unrealized Losses | (43,937) | (71,328)
Fair Value | 697,065 | 660,363
Corporate bonds and other |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total | 108,820 | 115,601
Gross Unrealized Gains | 564 | 181
Gross Unrealized Losses | (4,652) | (9,561)
Fair Value | $ 104,732 | $ 106,221

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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/2003/role/disclosureRef -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 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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/2003/role/disclosureRef -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 + Details
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