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REVENUE RECOGNITION - Summary of Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Noninterest income (in-scope of Topic 606)	$ 2,139		$ 2,198	$ 6,278	$ 6,770
Noninterest income (out-of-scope of Topic 606)	48,639		3,483	58,383	12,007
Total noninterest income	50,778	$ 6,024	5,681	64,661	18,777
Deposit service fees
Disaggregation of Revenue [Line Items]
Noninterest income (in-scope of Topic 606)	1,508		1,486	4,148	4,767
Debit card fees
Disaggregation of Revenue [Line Items]
Noninterest income (in-scope of Topic 606)	417		472	1,217	1,467
Other
Disaggregation of Revenue [Line Items]
Noninterest income (in-scope of Topic 606)	$ 214		$ 240	$ 913	$ 536

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