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Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | $ 3,998,689 | $ 3,820,129 |  |
ACL Allocation | 44,264 | 49,480 | $ 44,281 | $ 33,855
Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 63,115 | 50,478 |  |
Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 61,997 | 40,641 |  |
Accounts Receivable | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 797 | 5,915 |  |
Equipment | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 321 | 1,248 |  |
Other. | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI |  | 2,674 |  |
Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 7,878 | 10,744 |  |
Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 3,998 | 11,968 | 11,751 | 2,812
Commercial | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 1,634 | 7,162 |  |
Commercial | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 837 | 883 |  |
Commercial | Accounts Receivable | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 797 | 5,915 |  |
Commercial | Other. | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI |  | 364 |  |
Commercial | Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 2 | 569 |  |
Leases |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 2,952 | 2,865 | 3,480 | 3,888
Leases | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 321 | 1,248 |  |
Leases | Equipment | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 321 | 1,248 |  |
Leases | Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 320 | 1,248 |  |
Commercial real estate - Investor |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 17,105 | 10,674 | 10,795 | 7,899
Commercial real estate - Investor | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 15,735 | 16,576 |  |
Commercial real estate - Investor | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 15,735 | 16,576 |  |
Commercial real estate - Investor | Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 3,656 | 2,875 |  |
Commercial real estate - Owner occupied |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 12,280 | 15,001 | 4,913 | 3,557
Commercial real estate - Owner occupied | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 34,894 | 21,498 |  |
Commercial real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 34,894 | 19,188 |  |
Commercial real estate - Owner occupied | Other. | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI |  | 2,310 |  |
Commercial real estate - Owner occupied | Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 3,900 | 5,808 |  |
Construction | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 7,162 |  |  |
Construction | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 7,162 |  |  |
Residential real estate - Investor |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 669 | 768 | 760 | 1,740
Residential real estate - Investor | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 422 | 675 |  |
Residential real estate - Investor | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 422 | 675 |  |
Residential real estate - Owner occupied |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 1,821 | 2,046 | 2,832 | 2,714
Residential real estate - Owner occupied | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 1,506 | 1,817 |  |
Residential real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 1,506 | 1,817 |  |
Residential real estate - Owner occupied | Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation |  | 244 |  |
Multifamily |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 2,728 | 2,453 | 3,675 | 3,625
Multifamily | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 1,402 | 1,322 |  |
Multifamily | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 1,402 | 1,322 |  |
HELOC |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | 1,656 | 1,806 | 2,510 | 1,948
HELOC | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 39 | 180 |  |
HELOC | Real Estate | Asset Pledged as Collateral without Right |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total loans, including deferred loan loan costs and PCI | 39 | 180 |  |
Other |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
ACL Allocation | $ 17 | $ 353 | $ 192 | $ 1,618

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