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Loans and the Allowance for Credit Losses (Details) - Fair value of collateral $ in Thousands	Sep. 30, 2021 USD ($)
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	$ 112,415
Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	86,240
Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	26,175
Commercial Portfolio Segment [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	32,953
Commercial Portfolio Segment [Member] | Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	6,778
Commercial Portfolio Segment [Member] | Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	26,175
Commercial Real Estate Portfolio Segment [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	56,622
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	56,622
Commercial Real Estate Portfolio Segment [Member] | Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral
Commercial Construction Portfolio Segment [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	12,582
Commercial Construction Portfolio Segment [Member] | Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	12,582
Commercial Construction Portfolio Segment [Member] | Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral
Residential Real Estate Portfolio Segment [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	10,258
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral	10,258
Residential Real Estate Portfolio Segment [Member] | Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral
Consumer Portfolio Segment [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral
Consumer Portfolio Segment [Member] | Real Estate [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral
Consumer Portfolio Segment [Member] | Other [Member]
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items]
Fair value of collateral

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- Definition

Cutstom Element.

+ References

No definition available.

+ Details

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- Definition

Fair value of the securities pledged as collateral against securities loaned.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313

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