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SECURITIES (Schedule of Securities) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | $ 2,372,331 | $ 2,460,262
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 4,375 | 1,091
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 312,125 | 356,842
Debt Securities, Available-for-Sale | 2,064,581 | 2,104,511
Held-to-maturity Securities, Amortized Cost | 981,614 | 1,001,861
Held-to-maturity Securities, Gross Unrealized Gains | 4 | 36
Held-to-maturity Securities, Gross Unrealized Losses | 179,478 | 176,072
Securities—held-to-maturity | 801,838 | 825,528
Allowance for Credit Losses | (302) | (297)
debt securities, held-to-maturity, accrued interest receivable | 4,100 | 4,200
Debt Securities, Available-for-Sale, Accrued Interest Receivable | 8,500 | 9,000
U.S. Government and agency obligations |  |
Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 7,617 | 8,492
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 385 | 559
Debt Securities, Available-for-Sale | 7,232 | 7,933
Held-to-maturity Securities, Amortized Cost | 300 | 302
Held-to-maturity Securities, Gross Unrealized Gains | 0 | 0
Held-to-maturity Securities, Gross Unrealized Losses | 3 | 4
Securities—held-to-maturity | 297 | 298
Allowance for Credit Losses | 0 | 0
Municipal bonds |  |
Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 159,405 | 153,982
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 114 | 453
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 33,318 | 30,453
Debt Securities, Available-for-Sale | 126,201 | 123,982
Held-to-maturity Securities, Amortized Cost | 435,022 | 438,196
Held-to-maturity Securities, Gross Unrealized Gains | 4 | 36
Held-to-maturity Securities, Gross Unrealized Losses | 77,279 | 62,809
Securities—held-to-maturity | 357,592 | 375,280
Allowance for Credit Losses | (155) | (143)
Corporate bonds |  |
Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 113,842 | 131,379
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 2,306 | 100
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 5,201 | 6,489
Debt Securities, Available-for-Sale | 110,947 | 124,990
Held-to-maturity Securities, Amortized Cost | 2,602 | 2,658
Held-to-maturity Securities, Gross Unrealized Gains | 0 | 0
Held-to-maturity Securities, Gross Unrealized Losses | 2 | 6
Securities—held-to-maturity | 2,453 | 2,498
Allowance for Credit Losses | (147) | (154)
Mortgage-backed or related securities |  |
Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 1,927,971 | 1,995,805
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,775 | 383
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 273,220 | 319,340
Debt Securities, Available-for-Sale | 1,656,526 | 1,676,848
Held-to-maturity Securities, Amortized Cost | 543,690 | 560,705
Held-to-maturity Securities, Gross Unrealized Gains | 0 | 0
Held-to-maturity Securities, Gross Unrealized Losses | 102,194 | 113,253
Securities—held-to-maturity | 441,496 | 447,452
Allowance for Credit Losses | 0 | 0
Asset-backed securities |  |
Schedule of Securities [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 163,496 | 170,604
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 180 | 155
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 1 | 1
Debt Securities, Available-for-Sale | $ 163,675 | $ 170,758

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