FAIR VALUE MEASURES - Difference Between Fair Value and Principal Balance of Loans Held for Sale Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate fair value of SBA loans held for sale	$ 570,180	$ 281,332
Mortgage loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate fair value of mortgage loans held for sale	569,477	281,332
Aggregate unpaid principal balance of loans held for sale	559,626	273,915
Past-due loans of 90 days or more	0	781
Nonaccrual loans	0	781
Unpaid principal balance of nonaccrual loans	0	774
SBA loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate fair value of SBA loans held for sale	703	0
Aggregate unpaid principal balance of loans held for sale	$ 627	$ 0

Aggregate fair value of loans held for sale.

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Aggregate Unpaid Principal Balance Of Items For Which Fair Value Option Was Elected

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- Definition

Fair Value, Option, Loans Held as Assets, Unpaid Principal Balance of Nonaccrual Status, Aggregated Difference

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For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are 90 days or more past due.

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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