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Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) Segment | Dec. 31, 2022 USD ($)
Significant Accounting Policies [Line Items] |  |
Days past due when loans are generally charged-off in full, in days | 120 days |
Number of identified portfolio segments | Segment | 6 |
Number of designated segments | Segment | 6 |
Days past due when loans are generally placed on nonaccrual status, in days | 90 days |
Other real estate owned | $ 142 | $ 19
FHLB stock | 11,000 | 13,000
FRB stock | 6,400 | 6,400
Equity method investments, asset amount | 314,357 | 262,992
Tax credit investments | 68,253 | 55,568
Investment related liabilities | 14,000 | 4,800
Other Assets [Member] |  |
Significant Accounting Policies [Line Items] |  |
Tax credit investments | 68,300 | 55,600
Small Business Investment Companies [Member] | Other Assets [Member] |  |
Significant Accounting Policies [Line Items] |  |
Equity method investments, asset amount | $ 16,900 | $ 12,900
Core Deposits [Member] |  |
Significant Accounting Policies [Line Items] |  |
Estimated average life | 9 years 6 months |
Other Intangible Assets [Member] |  |
Significant Accounting Policies [Line Items] |  |
Estimated average life | 20 years |
Minimum [Member] |  |
Significant Accounting Policies [Line Items] |  |
Standby letters of credit outstanding original term, in years | 1 year |
Loans placed on non-accrual status and criticized assets with exposure | $ 2,000 |
Minimum [Member] | Building And Building Improvements [Member] |  |
Significant Accounting Policies [Line Items] |  |
Premise and equipment, estimated useful lives, in years | 15 years |
Minimum [Member] | Software, Furniture And Equipment [Member] |  |
Significant Accounting Policies [Line Items] |  |
Premise and equipment, estimated useful lives, in years | 3 years |
Maximum [Member] |  |
Significant Accounting Policies [Line Items] |  |
Standby letters of credit outstanding original term, in years | 5 years |
Maximum [Member] | Building And Building Improvements [Member] |  |
Significant Accounting Policies [Line Items] |  |
Premise and equipment, estimated useful lives, in years | 39 years |
Maximum [Member] | Software, Furniture And Equipment [Member] |  |
Significant Accounting Policies [Line Items] |  |
Premise and equipment, estimated useful lives, in years | 10 years |

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