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Allowance for Credit Losses - Collateral Dependent Loans (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 10,618
ACL Allocation	486
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	10,061
Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	507
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	50
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	590
ACL Allocation	48
Commercial and Industrial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	33
Commercial and Industrial | Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	507
Commercial and Industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	50
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	8,085
ACL Allocation	436
Commercial Real Estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	1,559
ACL Allocation	0
Commercial Real Estate | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	8,085
Commercial Real Estate | Real Estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	1,559
Commercial Real Estate | Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Commercial Real Estate | Business Assets | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Commercial Real Estate | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Commercial Real Estate | Other | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Residential real estate | Residential - Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	384
ACL Allocation	2
Residential real estate | Real Estate | Residential - Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	384
Residential real estate | Business Assets | Residential - Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Residential real estate | Other | Residential - Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 0

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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