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Non-Performing Assets Including Troubled Debt Restructurings (TDR) - types of payment relief that have been granted (Details) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2020 USD ($) loan	Sep. 30, 2020 USD ($) loan	Dec. 31, 2019 USD ($)
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		$ 941,780	$ 882,706
Number of loans | loan	383	194
Payment relief that have been granted	$ 200,005	$ 144,361
Interest only payments
Financing Receivable, Modifications [Line Items]
Number of loans | loan	83	67
Payment relief that have been granted	$ 87,881	$ 74,680
Complete payment deferrals
Financing Receivable, Modifications [Line Items]
Number of loans | loan	296	127
Payment relief that have been granted	$ 103,378	$ 69,681
Maturity date extensions
Financing Receivable, Modifications [Line Items]
Number of loans | loan	4
Payment relief that have been granted	$ 8,746
Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		152,636
Commercial and Industrial | Complete payment deferrals
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		$ 2,500
Number of loans | loan		1
Paycheck Protection Program (PPP)
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		$ 68,460
Commercial loans secured by owner occupied real estate [Member]
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		90,819
Commercial loans secured by non-owner occupied real estate
Financing Receivable, Modifications [Line Items]
Loans, net of unearned income		$ 378,858

X

- Definition

Number of financing receivables that have been modified in response to COVID-19.

+ References

No definition available.

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- Definition

Amount of payment relief that have been granted in response to COVID-19.

+ References

No definition available.

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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

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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