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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Impaired Loans, Excluding Purchased Impaired (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) customer	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Impaired loans
Average carrying balance of individually assessed loans	$ 15,900	$ 2,500	$ 16,100	$ 3,100
Interest income on individually assessed loans	0	$ 0	0	$ 0
Commercial Portfolio Segment
Impaired loans
Loans with allowance allocation, Carrying Balance	14,410		14,410		$ 3,484
Loans with allowance allocation, Contractual Balance	14,511		14,511		3,484
Loans with allowance allocation, Specifically Allocated Allowance	1,895		1,895		470
Loans without allowance allocation, Carrying Balance	1,289		1,289		15,750
Loans without allowance allocation, Contractual Balance	1,326		1,326		15,765
Loans without allowance allocation, Specifically Allocated Allowance	0		0		0
CRE - owner occupied | Commercial Portfolio Segment
Impaired loans
Loans with allowance allocation, Carrying Balance	1,606		1,606		0
Loans with allowance allocation, Contractual Balance	1,606		1,606		0
Loans with allowance allocation, Specifically Allocated Allowance	128		128		0
Loans without allowance allocation, Carrying Balance	1,289		1,289		1,551
Loans without allowance allocation, Contractual Balance	1,326		1,326		1,551
Loans without allowance allocation, Specifically Allocated Allowance	0		$ 0		0
CRE - non-owner occupied
Impaired loans
Number of customers associated with collateral office properties | customer			2
CRE - non-owner occupied | Commercial Portfolio Segment
Impaired loans
Loans with allowance allocation, Carrying Balance	12,804		$ 12,804		3,484
Loans with allowance allocation, Contractual Balance	12,905		12,905		3,484
Loans with allowance allocation, Specifically Allocated Allowance	1,767		1,767		470
Loans without allowance allocation, Carrying Balance	0		0		13,999
Loans without allowance allocation, Contractual Balance	0		0		14,014
Loans without allowance allocation, Specifically Allocated Allowance	0		0		0
Commercial & industrial and other business loans | Commercial Portfolio Segment
Impaired loans
Loans without allowance allocation, Carrying Balance	0		0		200
Loans without allowance allocation, Contractual Balance	0		0		200
Loans without allowance allocation, Specifically Allocated Allowance	0		0		$ 0
Minimum
Impaired loans
Threshold balance of loans individually evaluated for impairment	$ 500		$ 500

X

- Definition

The threshold balance of financing receivable that is individually evaluated for impairment.

+ References

No definition available.

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X

- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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+ Details

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X

- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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- Definition

Amount of carrying balance of impaired financing receivables for which there is no related allowance for credit losses.

+ References

No definition available.

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- Definition

Amount of contractual balance of impaired financing receivables for which there is no related allowance for credit losses.

+ References

No definition available.

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- Definition

Amount of specifically allocated allowance of impaired financing receivables for which there is no related allowance for credit losses.

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No definition available.

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- Definition

Amount of carrying balance of impaired financing receivables for which there is a related allowance for credit losses.

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No definition available.

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- Definition

Amount of contractual balance of impaired financing receivables for which there is a related allowance for credit losses.

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- Definition

Amount of specifically allocated allowance of impaired financing receivables for which there is a related allowance for credit losses.

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No definition available.

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- Definition

It represents number of customers associated with collateral office properties.

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