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LOANS AND ALLOWANCE - Narrative (Details) - USD ($) |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Apr. 01, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Receivables [Abstract] |  |  |  |  |  |
Loans held for sale |  | $ 9,408,000 |  | $ 9,094,000 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 12,241,461,000 |  | 12,003,894,000 |  |
Loans with an origination year of 2021 |  | 3,163,594,000 |  | 2,680,834,000 |  |
Loans with an origination year of 2020 |  | 2,541,697,000 |  | 1,843,080,000 |  |
Interest income recognized on non-accrual loans |  | 0 | $ 0 |  |  |
Allowance for credit losses increased |  | $ 225,000 |  |  |  |
Net recoveries |  |  | 587,000 |  |  |
Standby letters of credit usual term |  | 2 years |  |  |  |
Off-balance sheet commitments |  | $ 23,300,000 | 20,500,000 | 23,300,000 | $ 20,500,000 |
Provision for credit losses |  | 0 | $ 0 |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Off-balance sheet commitments |  |  |  |  |  | $ 20,500,000
Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 82,900,000 |  | 51,000,000 |  |
Increase (decrease) in past due loans |  | 31,900,000 |  |  |  |
60-89 Days Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 26,936,000 |  | 5,935,000 |  |
Increase (decrease) in past due loans |  | (21,000,000) |  |  |  |
90 Days or More Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 27,046,000 |  | 16,021,000 |  |
Increase (decrease) in past due loans |  | 11,000,000 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due Still Accruing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Increase (decrease) in past due loans |  | 5,300,000 |  |  |  |
Commercial and industrial loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 3,502,204,000 |  | 3,437,126,000 |  |
Loans with an origination year of 2021 |  | 874,832,000 |  | 576,080,000 |  |
Loans with an origination year of 2020 |  | 496,521,000 |  | 159,416,000 |  |
Commercial and industrial loans | Allowance on Collateral Dependent Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Increase (decrease) in individually evaluated for impairment |  | 8,900,000 |  |  |  |
Net recoveries |  | 5,600,000 |  |  |  |
Commercial and industrial loans | 60-89 Days Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 9,995,000 |  | 434,000 |  |
Increase (decrease) in past due loans |  | (9,600,000) |  |  |  |
Commercial and industrial loans | 90 Days or More Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 7,010,000 |  | 2,474,000 |  |
Increase (decrease) in past due loans |  | (4,500,000) |  |  |  |
Commercial real estate, non-owner occupied |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 2,375,410,000 |  | 2,407,475,000 |  |
Loans with an origination year of 2021 |  | 597,010,000 |  | 615,408,000 |  |
Loans with an origination year of 2020 |  | 591,861,000 |  | 596,899,000 |  |
Commercial real estate, non-owner occupied | Allowance on Collateral Dependent Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Increase (decrease) in individually evaluated for impairment |  | 3,600,000 |  |  |  |
Commercial real estate, non-owner occupied | 60-89 Days Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 3,891,000 |  | 881,000 |  |
Increase (decrease) in past due loans |  | (3,000,000) |  |  |  |
Commercial real estate, non-owner occupied | 90 Days or More Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 10,939,000 |  | 5,153,000 |  |
Increase (decrease) in past due loans |  | (5,800,000) |  |  |  |
Commercial real estate, owner occupied |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 1,244,117,000 |  | 1,246,528,000 |  |
Loans with an origination year of 2021 |  | 262,142,000 |  | 324,004,000 |  |
Loans with an origination year of 2020 |  | 309,584,000 |  | 335,062,000 |  |
Commercial real estate, owner occupied | 60-89 Days Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 7,444,000 |  | 0 |  |
Increase (decrease) in past due loans |  | (7,400,000) |  |  |  |
Commercial real estate, owner occupied | 90 Days or More Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 1,803,000 |  | 319,000 |  |
Residential |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 2,185,943,000 |  | 2,096,655,000 |  |
Loans with an origination year of 2021 |  | 735,432,000 |  | 494,049,000 |  |
Loans with an origination year of 2020 |  | 485,417,000 |  | 405,136,000 |  |
Residential | 60-89 Days Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | 2,759,000 |  | 2,278,000 |  |
Residential | 90 Days or More Past Due |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans |  | $ 5,940,000 |  | $ 5,811,000 |  |
Level One |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Provision for credit losses | $ 2,800,000 |  |  |  |  |

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