Allowance for Credit Losses - Collateral Dependent Loans (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 26,490
ACL Allocation	308
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	24,380
Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	2,000
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	110
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	795
ACL Allocation	122
Commercial and Industrial \| Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	103
Commercial and Industrial \| Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	582
Commercial and Industrial \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	110
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	25,695
ACL Allocation	186
Commercial Real Estate \| Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	24,277
Commercial Real Estate \| Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	1,418
Commercial Real Estate \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Residential Real Estate \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
ACL Allocation	0
Residential Real Estate \| Real Estate \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Residential Real Estate \| Business Assets \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0
Residential Real Estate \| Other \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 0

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.

No definition available.

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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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