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SECURITIES (Available for Sale securities in continuous unrealized loss position) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) holding | Dec. 31, 2021 USD ($) holding | Dec. 31, 2020 USD ($)
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 173 | 37 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 333,099 | $ 1,210,544 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (35,411) | (21,197) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 1,062,964 | 1,000 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (132,268) | (199) |
Debt Securities, Available-for-sale, Unrealized Loss Position | 1,396,063 | 1,211,544 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (167,679) | (21,396) |
Equity Securities, FV-NI, Realized Gain (Loss) | $ 0 | $ 192 | $ 14
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 123 | 12 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 155,944 | $ 214,678 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (15,186) | (5,534) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 154,653 | 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (30,248) | 0 |
Debt Securities, Available-for-sale, Unrealized Loss Position | 310,597 | 214,678 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (45,434) | $ (5,534) |
Agency collateralized mortgage obligations [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 13 | 1 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 38,843 | $ 22,960 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (3,031) | (571) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0 | 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0 |
Debt Securities, Available-for-sale, Unrealized Loss Position | 38,843 | 22,960 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (3,031) | $ (571) |
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 1 | 1 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 0 | $ 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 1,034 | 1,000 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (169) | (199) |
Debt Securities, Available-for-sale, Unrealized Loss Position | 1,034 | 1,000 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (169) | $ (199) |
US Treasury Securities [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 18 | 17 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 43,035 | $ 811,993 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (6,350) | (12,191) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 748,306 | 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (76,344) | 0 |
Debt Securities, Available-for-sale, Unrealized Loss Position | 791,341 | 811,993 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (82,694) | $ (12,191) |
US Government Agencies Debt Securities [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 9 | 6 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 60,575 | $ 160,913 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (7,292) | (2,901) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 141,725 | 0 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (21,344) | 0 |
Debt Securities, Available-for-sale, Unrealized Loss Position | 202,300 | 160,913 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (28,636) | $ (2,901) |
US States and Political Subdivisions Debt Securities [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 1 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 191 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (2) |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 |  |
Debt Securities, Available-for-sale, Unrealized Loss Position | 191 |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (2) |  |
Small Business Administration Pooled Securities [Member] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding | 8 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 34,511 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (3,550) |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 17,246 |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (4,163) |  |
Debt Securities, Available-for-sale, Unrealized Loss Position | 51,757 |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (7,713) |  |

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