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Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | $ 30,516 |
ACL Allocation | 32,918 | $ 19,789
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 25,155 |
Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,543 |
Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 3,808 |
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 10 |
Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 2,707 |
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,607 |
Commercial | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,543 |
Commercial | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 64 |
Commercial | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 65 |
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 3,744 |
Leases | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 3,744 |
Leases | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 911 |
Commercial real estate - Investor |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 4,580 |
Commercial real estate - Investor | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 4,580 |
Commercial real estate - Investor | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 92 |
Commercial real estate - Owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 10,846 |
Commercial real estate - Owner occupied | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 10,846 |
Commercial real estate - Owner occupied | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 198 |
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,883 |
Construction | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,883 |
Construction | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 944 |
Real estate - Investor |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 935 |
Real estate - Investor | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 935 |
Real estate - Owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 3,559 |
Real estate - Owner occupied | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 3,559 |
Real estate - Owner occupied | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 11 |
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 2,305 |
Multifamily | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 2,305 |
Multifamily | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 384 |
HELOC |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,047 |
HELOC | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 1,047 |
HELOC | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | 96 |
Other 1 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 10 |
Other 1 | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans pledged as collateral | 10 |
Other 1 | Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
ACL Allocation | $ 6 |

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