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Loans - Pre-Modification and Post-Modification Outstanding Recorded Investment (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 loan | Jun. 30, 2019 USD ($) loan | Jun. 30, 2020 USD ($) loan | Jun. 30, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 | 4 | 2 | 9
Principle deductions |  |  | $ 2 |
Pre-Modification Outstanding Recorded Investment |  | $ 345 | 235 | $ 916
Post-Modification Outstanding Recorded Investment |  | 261 | 188 | 810
Specific Reserves |  | $ 100 | $ 0 | $ 174
Commercial | Real estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 2 | 0 | 2
Pre-Modification Outstanding Recorded Investment |  | $ 111 | $ 0 | $ 111
Post-Modification Outstanding Recorded Investment |  | 100 | 0 | 100
Specific Reserves |  | $ 100 | $ 0 | $ 100
Commercial | Construction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0
Commercial | Other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0
Municipal |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0
Residential | Construction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0
Residential | Term |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 2 | 2 | 7
Pre-Modification Outstanding Recorded Investment |  | $ 234 | $ 235 | $ 805
Post-Modification Outstanding Recorded Investment |  | 161 | 188 | 710
Specific Reserves |  | $ 0 | $ 0 | $ 74
Home equity line of credit |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0
Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan |  | 0 | 0 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 0
Specific Reserves |  | $ 0 | $ 0 | $ 0

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