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FAIR VALUE MEASURES - Fair Value Measurements of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | $ 570,180 | $ 281,332
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 570,180 | 281,332
Total recurring assets at fair value | 2,116,809 | 1,693,849
Total recurring liabilities at fair value | 10,430 | 11,993
Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 0 | 0
Total recurring assets at fair value | 755,212 | 720,877
Total recurring liabilities at fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 570,180 | 281,332
Total recurring assets at fair value | 1,360,652 | 971,982
Total recurring liabilities at fair value | 10,430 | 11,993
Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 945 | 990
Loans held for sale | 0 | 0
Total recurring assets at fair value | 945 | 990
Total recurring liabilities at fair value | 0 | 0
Fair Value, Measurements, Recurring | Derivative financial instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 10,327 | 5,937
Derivative liability | 10,406 | 6,203
Fair Value, Measurements, Recurring | Derivative financial instruments | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Fair Value, Measurements, Recurring | Derivative financial instruments | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 10,327 | 5,937
Derivative liability | 10,406 | 6,203
Fair Value, Measurements, Recurring | Derivative financial instruments | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Fair Value, Measurements, Recurring | Risk participation agreement |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 24 |
Fair Value, Measurements, Recurring | Risk participation agreement | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  |
Fair Value, Measurements, Recurring | Risk participation agreement | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 24 |
Fair Value, Measurements, Recurring | Risk participation agreement | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  |
Fair Value, Measurements, Recurring | Mortgage banking derivative instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 5,255 | 3,636
Derivative liability |  | 5,790
Fair Value, Measurements, Recurring | Mortgage banking derivative instruments | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Derivative liability |  | 0
Fair Value, Measurements, Recurring | Mortgage banking derivative instruments | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 5,255 | 3,636
Derivative liability |  | 5,790
Fair Value, Measurements, Recurring | Mortgage banking derivative instruments | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Derivative liability |  | 0
Fair Value, Measurements, Recurring | U.S. Treasuries |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 755,212 | 720,877
Fair Value, Measurements, Recurring | U.S. Treasuries | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 755,212 | 720,877
Fair Value, Measurements, Recurring | U.S. Treasuries | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | U.S. Treasuries | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | U.S. government-sponsored agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 981 | 985
Fair Value, Measurements, Recurring | U.S. government-sponsored agencies | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | U.S. government-sponsored agencies | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 981 | 985
Fair Value, Measurements, Recurring | U.S. government-sponsored agencies | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | State, county and municipal securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 26,560 | 28,051
Fair Value, Measurements, Recurring | State, county and municipal securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | State, county and municipal securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 26,560 | 28,051
Fair Value, Measurements, Recurring | State, county and municipal securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 10,001 | 10,027
Fair Value, Measurements, Recurring | Corporate debt securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Corporate debt securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 9,056 | 9,037
Fair Value, Measurements, Recurring | Corporate debt securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 945 | 990
Fair Value, Measurements, Recurring | SBA pool securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 76,265 | 51,516
Fair Value, Measurements, Recurring | SBA pool securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | SBA pool securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 76,265 | 51,516
Fair Value, Measurements, Recurring | SBA pool securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 662,028 | 591,488
Fair Value, Measurements, Recurring | Mortgage-backed securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Mortgage-backed securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | 662,028 | 591,488
Fair Value, Measurements, Recurring | Mortgage-backed securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale, at fair value | $ 0 | $ 0

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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