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Loans - Summary of Recorded Investment by Risk Category of Portfolio Loans by Portfolio Class and Category (Details) - Non-Covered Loans - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	$ 36,659	$ 38,507
Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	20,279
Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,891
Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,064
Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	215
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	22,508	21,770
Commercial and industrial | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	10,737
Commercial and industrial | Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Commercial and industrial | Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,064
Commercial and industrial | Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	7,379	9,579
CRE - investor owned | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	7,155
CRE - investor owned | Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - investor owned | Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - investor owned | Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	2,589	2,940
CRE - owner occupied | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	2,387
CRE - owner occupied | Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - owner occupied | Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
CRE - owner occupied | Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,945	4,189
Residential real estate | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Residential real estate | Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,891
Residential real estate | Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Residential real estate | Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	238	$ 29
Other | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Other | Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Other | Blanket Lien
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0
Other | Other Collateral
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	$ 215

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- Definition

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+ References

No definition available.

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- Definition

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=118936363&loc=SL6953550-111524

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