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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Composition of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	$ 67,306	$ 55,251
Nonaccrual Loans with no ACL	56,681	34,864
Commercial | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	21,228	22,613
Nonaccrual Loans with no ACL	10,824	10,959
Commercial | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	2,600	910
Nonaccrual Loans with no ACL	2,600	910
Commercial | SBA
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	9,611	10,417
Nonaccrual Loans with no ACL	9,502	5,613
Consumer | Single family residential mortgage
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	33,496	21,116
Nonaccrual Loans with no ACL	33,495	17,187
Consumer | Other consumer
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	371	195
Nonaccrual Loans with no ACL	$ 260	$ 195

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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