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LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 12, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | $ 152,419 | $ 146,922 | $ 113,392 | $ 67,740
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | (1,137) |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 1,157 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | (2,652) | (4,944) | (8,446) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 1,649 | 3,729 | 1,578 |
Contractual cash flows not expected to be collected | $ 16,540 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | 6,500 | 18,205 | 52,500 |
Commercial And Industrial [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 27,559 | 14,402 | 21,086 | 17,594
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | (1,984) |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 49 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | 0 | (3,474) | (2,309) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 49 | 2,686 | 289 |
Contractual cash flows not expected to be collected | 166 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | 13,108 | (6,062) | 7,447 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 77,799 | 83,486 | 45,009 | 32,935
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | (13,048) |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 337 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | (62) | 0 | (3,885) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 333 | 57 | 9 |
Contractual cash flows not expected to be collected | 14,397 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | (5,958) | 24,023 | 28,661 |
Construction Loans [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 10,762 | 12,316 | 5,397 | 6,053
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | (3,652) |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 0 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | 0 | 0 | 0 |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 0 | 0 | 0 |
Contractual cash flows not expected to be collected | 1,019 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | (1,554) | 5,900 | 2,996 |
Small Business [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 2,834 | 3,508 | 5,095 | 1,746
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | 495 |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 0 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | (196) | (219) | (380) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 149 | 98 | 33 |
Contractual cash flows not expected to be collected | 0 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | (627) | (1,466) | 3,201 |
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 20,973 | 14,484 | 14,275 | 3,440
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | 9,828 |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 423 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | 0 | 0 | (105) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 0 | 1 | 2 |
Contractual cash flows not expected to be collected | 429 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | 6,489 | (221) | 687 |
Home Equity Line of Credit [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 11,504 | 17,986 | 22,060 | 5,576
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | 7,012 |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 319 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | (122) | (69) | (142) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 121 | 249 | 210 |
Contractual cash flows not expected to be collected | 163 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | (6,481) | (4,417) | 9,085 |
Consumer Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 988 | 740 | 470 | $ 396
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method |  |  |  | 212 |
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase |  |  |  | 29 |
Financing Receivable, Allowance for Credit Loss, Writeoff |  | (2,272) | (1,182) | (1,625) |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 997 | 638 | 1,035 |
Contractual cash flows not expected to be collected | $ 366 |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  | $ 1,523 | $ 448 | $ 423 |

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