Loans and Leases - Troubled Debt Restructured Loans (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Accrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	0	1	0	1
Pre-restructuring outstanding recorded investment	$ 0	$ 55	$ 0	$ 55
Post-restructuring outstanding recorded investment	$ 0	$ 55	$ 0	$ 55
Nonaccrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1	0	1	3
Pre-restructuring outstanding recorded investment	$ 619	$ 0	$ 619	$ 2,269
Post-restructuring outstanding recorded investment	$ 619	$ 0	$ 619	$ 2,269
Real Estate Home Equity Secured For Personal Purpose [Member] \| Accrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	0	1	0	1
Pre-restructuring outstanding recorded investment	$ 0	$ 55	$ 0	$ 55
Post-restructuring outstanding recorded investment	$ 0	$ 55	$ 0	$ 55
Commercial Financial And Agricultural [Member] \| Nonaccrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1	0	1	2
Pre-restructuring outstanding recorded investment	$ 619	$ 0	$ 619	$ 956
Post-restructuring outstanding recorded investment	$ 619	$ 0	$ 619	$ 956
Real-Estate Commercial [Member] \| Nonaccrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan			0	1
Pre-restructuring outstanding recorded investment			$ 0	$ 1,313
Post-restructuring outstanding recorded investment			$ 0	$ 1,313

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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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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