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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	$ 55,479	$ 49,236
Commercial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	20,257	14,207
Residential
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	20,247	18,507
Business Assets
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	14,643	16,287
Automobile
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	332	235
Commercial | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	18,952	18,331
Commercial | Commercial real estate
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	5,160
Commercial | SBA
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	15,384	16,658
Commercial | Commercial | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	14,439	13,518
Commercial | Commercial | Commercial real estate
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	5,160
Commercial | Commercial | SBA
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	658	689
Commercial | Residential | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	14	37
Commercial | Residential | Commercial real estate
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0
Commercial | Residential | SBA
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	4,582	4,458
Commercial | Business Assets | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	4,499	4,776
Commercial | Business Assets | Commercial real estate
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0
Commercial | Business Assets | SBA
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	10,144	11,511
Commercial | Automobile | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Commercial | Automobile | Commercial real estate
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0
Commercial | Automobile | SBA
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Single family residential mortgage
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	15,464	14,012
Consumer | Other consumer
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	519	235
Consumer | Commercial | Single family residential mortgage
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Commercial | Other consumer
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Residential | Single family residential mortgage
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	15,464	14,012
Consumer | Residential | Other consumer
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	187	0
Consumer | Business Assets | Single family residential mortgage
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Business Assets | Other consumer
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Automobile | Single family residential mortgage
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	0	0
Consumer | Automobile | Other consumer
Financing Receivable, Impaired [Line Items]
Collateral dependent loans	$ 332	$ 235

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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