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INVESTMENT SECURITIES (Investment Securities at an Unrealized Loss Position) (Details) $ in Thousands | Mar. 31, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
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Investments, Debt and Equity Securities [Abstract] |  |
Number of AFS investment securities in an unrealized loss position | security | 197 | 218
Number of HTM investment securities in an unrealized loss position | security | 83 | 83
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | $ 108,042 | $ 255,136
Less Than 12 Months, Unrecognized Losses | (1,031) | (3,452)
12 Month or Longer, Fair Value | 441,427 | 436,723
12 Month or Longer, Unrecognized Losses | (91,942) | (103,016)
Total Fair Value | 549,469 | 691,859
Total Unrecognized Losses | 92,973 | 106,468
Schedule of Held-to-Maturity Securities [Line Items] |  |
Less Than 12 Months, Fair Value | 0 | 7,470
Less Than 12 Months, Unrecognized Losses | 0 | (19)
12 Month or Longer, Fair Value | 504,428 | 499,211
12 Month or Longer, Unrecognized Losses | (78,050) | (90,230)
Total Fair Value | 504,428 | 506,681
Total Unrecognized Losses | (78,050) | (90,249)
States and political subdivisions |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 755 | 4,967
Less Than 12 Months, Unrecognized Losses | (15) | (85)
12 Month or Longer, Fair Value | 111,453 | 107,267
12 Month or Longer, Unrecognized Losses | (28,052) | (30,098)
Total Fair Value | 112,208 | 112,234
Total Unrecognized Losses | 28,067 | 30,183
Schedule of Held-to-Maturity Securities [Line Items] |  |
Less Than 12 Months, Fair Value | 0 | 0
Less Than 12 Months, Unrecognized Losses | 0 | 0
12 Month or Longer, Fair Value | 32,969 | 33,132
12 Month or Longer, Unrecognized Losses | (9,042) | (8,884)
Total Fair Value | 32,969 | 33,132
Total Unrecognized Losses | (9,042) | (8,884)
U.S. Treasury and other government-sponsored entities and agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 6,276 | 56,139
Less Than 12 Months, Unrecognized Losses | (19) | (803)
12 Month or Longer, Fair Value | 12,618 | 12,971
12 Month or Longer, Unrecognized Losses | (1,693) | (1,939)
Total Fair Value | 18,894 | 69,110
Total Unrecognized Losses | 1,712 | 2,742
Collateralized loan obligations |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 30,989 | 31,140
Less Than 12 Months, Unrecognized Losses | (248) | (114)
12 Month or Longer, Fair Value | 0 | 0
12 Month or Longer, Unrecognized Losses | 0 | 0
Total Fair Value | 30,989 | 31,140
Total Unrecognized Losses | 248 | 114
Residential - U.S. government-sponsored entities and agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 55,046 | 135,224
Less Than 12 Months, Unrecognized Losses | (702) | (2,254)
12 Month or Longer, Fair Value | 260,478 | 260,575
12 Month or Longer, Unrecognized Losses | (48,623) | (55,793)
Total Fair Value | 315,524 | 395,799
Total Unrecognized Losses | 49,325 | 58,047
Schedule of Held-to-Maturity Securities [Line Items] |  |
Less Than 12 Months, Fair Value | 0 | 7,470
Less Than 12 Months, Unrecognized Losses | 0 | (19)
12 Month or Longer, Fair Value | 471,459 | 466,079
12 Month or Longer, Unrecognized Losses | (69,008) | (81,346)
Total Fair Value | 471,459 | 473,549
Total Unrecognized Losses | (69,008) | (81,365)
Residential - Non-government agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 5,019 | 5,270
Less Than 12 Months, Unrecognized Losses | (46) | (100)
12 Month or Longer, Fair Value | 7,566 | 7,606
12 Month or Longer, Unrecognized Losses | (848) | (961)
Total Fair Value | 12,585 | 12,876
Total Unrecognized Losses | 894 | 1,061
Commercial - U.S. government-sponsored entities and agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 0 | 12,469
Less Than 12 Months, Unrecognized Losses | 0 | (90)
12 Month or Longer, Fair Value | 49,312 | 48,304
12 Month or Longer, Unrecognized Losses | (12,726) | (14,225)
Total Fair Value | 49,312 | 60,773
Total Unrecognized Losses | 12,726 | 14,315
Commercial - Non-government agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than 12 months, Fair Value | 9,957 | 9,927
Less Than 12 Months, Unrecognized Losses | (1) | (6)
12 Month or Longer, Fair Value | 0 | 0
12 Month or Longer, Unrecognized Losses | 0 | 0
Total Fair Value | 9,957 | 9,927
Total Unrecognized Losses | $ 1 | $ 6

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