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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Composition of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	$ 35,900	$ 43,354
Nonaccrual Loans with no ACL	32,066	16,564
NTM Loans
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	8,697	13,019
Traditional Loans
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	27,203	30,335
Commercial | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	13,821	19,114
Nonaccrual Loans with no ACL	13,088	337
Commercial | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	4,654	0
Nonaccrual Loans with no ACL	4,654	0
Commercial | SBA
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	3,749	5,230
Nonaccrual Loans with no ACL	648	1,474
Commercial | NTM Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	0	0
Commercial | NTM Loans | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	0	0
Commercial | NTM Loans | SBA
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	0	0
Commercial | Traditional Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	13,821	19,114
Commercial | Traditional Loans | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	4,654	0
Commercial | Traditional Loans | SBA
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	3,749	5,230
Consumer | Single family residential mortgage
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	13,519	18,625
Nonaccrual Loans with no ACL	13,519	14,373
Consumer | Other consumer
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	157	385
Nonaccrual Loans with no ACL	157	380
Consumer | NTM Loans | Single family residential mortgage
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	8,697	13,019
Consumer | NTM Loans | Other consumer
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	0	0
Consumer | Traditional Loans | Single family residential mortgage
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	4,822	5,606
Consumer | Traditional Loans | Other consumer
Financing Receivable, Past Due [Line Items]
Total Nonaccrual Loans	$ 157	$ 385

X

- Definition

Amount of financing receivable on nonaccrual status with no allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
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-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Paragraph 16
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