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Loans and Loans Held for Sale - Restructured Loans By Segment and Type of Concession (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($) loan | Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 8 | 11 | 21 | 20
Pre-Modification Outstanding Recorded Investment | $ 1,384 | $ 1,369 | $ 8,254 | $ 8,349
Post-Modification Outstanding Recorded Investment | 1,377 | 1,303 | 8,159 | 7,852
Bankruptcy |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 247 | 350 | 573 | 723
Forbearance |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 80 | 0
Extend Maturity |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 1,130 | 851 | 1,926 | 7,027
Modify Rate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 5,433 | 0
Modify Payments |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 102 | $ 147 | $ 102
Commercial real estate | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 0 | 0 | 1
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 2,210
Post-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 2,210
Commercial real estate | Bankruptcy | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial real estate | Forbearance | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial real estate | Extend Maturity | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 2,210
Commercial real estate | Modify Rate | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial real estate | Modify Payments | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Commercial and industrial | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 1 | 2 | 2
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 75 | $ 6,304 | $ 2,542
Post-Modification Outstanding Recorded Investment | 0 | 75 | 6,229 | 2,143
Commercial and industrial | Bankruptcy | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial and industrial | Forbearance | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial and industrial | Extend Maturity | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 796 | 2,068
Commercial and industrial | Modify Rate | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 5,433 | 0
Commercial and industrial | Modify Payments | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 75 | $ 0 | $ 75
Commercial construction | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 2 | 0 | 3
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 701 | $ 0 | $ 2,592
Post-Modification Outstanding Recorded Investment | 0 | 701 | 0 | 2,572
Commercial construction | Bankruptcy | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial construction | Forbearance | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial construction | Extend Maturity | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 701 | 0 | 2,572
Commercial construction | Modify Rate | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Commercial construction | Modify Payments | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Business banking | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 4 | 1 | 5 | 1
Pre-Modification Outstanding Recorded Investment | $ 1,130 | $ 93 | $ 1,210 | $ 93
Post-Modification Outstanding Recorded Investment | 1,130 | 27 | 1,210 | 27
Business banking | Bankruptcy | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Business banking | Forbearance | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 80 | 0
Business banking | Extend Maturity | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 1,130 | 0 | 1,130 | 0
Business banking | Modify Rate | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Business banking | Modify Payments | Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 27 | $ 0 | $ 27
Consumer real estate | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 4 | 7 | 13 | 13
Pre-Modification Outstanding Recorded Investment | $ 254 | $ 500 | $ 739 | $ 912
Post-Modification Outstanding Recorded Investment | 247 | 500 | 720 | 900
Consumer real estate | Bankruptcy | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 247 | 350 | 573 | 723
Consumer real estate | Forbearance | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Consumer real estate | Extend Maturity | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 150 | 0 | 177
Consumer real estate | Modify Rate | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Consumer real estate | Modify Payments | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 147 | $ 0
Other consumer | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 0 | 1 | 0
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 1 | $ 0
Post-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Other consumer | Bankruptcy | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Other consumer | Forbearance | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Other consumer | Extend Maturity | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Other consumer | Modify Rate | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Other consumer | Modify Payments | Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0

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