Loans - Pre-Modification and Post-Modification Outstanding Recorded Investment (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	4	3	9	10
Pre-Modification Outstanding Recorded Investment	$ 345	$ 7,168	$ 916	$ 8,224
Post-Modification Outstanding Recorded Investment	261	6,968	810	8,024
Specific Reserves	$ 100	$ 1,126	$ 174	$ 1,168
Commercial \| Real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	2	0	2	7
Pre-Modification Outstanding Recorded Investment	$ 111	$ 0	$ 111	$ 1,056
Post-Modification Outstanding Recorded Investment	100	0	100	1,056
Specific Reserves	$ 100	$ 0	$ 100	$ 42
Commercial \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Specific Reserves	$ 0	$ 0	$ 0	$ 0
Commercial \| Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	1	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 6,727	$ 0	$ 6,727
Post-Modification Outstanding Recorded Investment	0	6,532	0	6,532
Specific Reserves	$ 0	$ 1,100	$ 0	$ 1,100
Municipal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Specific Reserves	$ 0	$ 0	$ 0	$ 0
Residential \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Specific Reserves	$ 0	$ 0	$ 0	$ 0
Residential \| Term
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	2	2	7	2
Pre-Modification Outstanding Recorded Investment	$ 234	$ 441	$ 805	$ 441
Post-Modification Outstanding Recorded Investment	161	436	710	436
Specific Reserves	$ 0	$ 26	$ 74	$ 26
Home equity line of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Specific Reserves	$ 0	$ 0	$ 0	$ 0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Specific Reserves	$ 0	$ 0	$ 0	$ 0

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No definition available.

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- Definition

Specific allowance for loan and lease losses on receivable financings that are classified as troubled debt restructurings during the period.

+ References

No definition available.

+ Details

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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, after troubled debt restructuring, of modified financing receivable.

+ 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=118936363&loc=SL6953676-111524

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- Definition

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

+ References

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