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Loans Receivable and Allowance for Credit Losses (Loan Concentrations by Industry) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 1,771,682,000 | $ 1,714,082,000
Commercial Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | 731,156,000 | 716,875,000
Commercial Real Estate Loans [Member] | Loans Receivable [Member] | Commercial Rentals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 162,498,000 |
Percent of Loans Outstanding | 9.21% |
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 330,288,000 | 330,856,000
Residential Real Estate Loans [Member] | Loans Receivable [Member] | Residential Rentals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 117,528,000 |
Percent of Loans Outstanding | 6.66% |
Consumer Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 327,683,000 | 307,775,000
Consumer Loans [Member] | Loans Receivable [Member] | Hotels/Motels [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 107,206,000 |
Percent of Loans Outstanding | 6.08% |
Consumer Loans [Member] | Loans Receivable [Member] | Dairy Cattle/Milk Product [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 43,993,000 |
Percent of Loans Outstanding | 2.49% |
Consumer Loans [Member] | Loans Receivable [Member] | Fuel/Gas Stations [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 49,366,000 |
Percent of Loans Outstanding | 2.80% |
Consumer Loans [Member] | Loans Receivable [Member] | Government Support [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 25,898,000 |
Percent of Loans Outstanding | 1.47% |
Consumer Loans [Member] | Loans Receivable [Member] | Mobile Home Park [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 22,296,000 |
Percent of Loans Outstanding | 1.26% |
Consumer Loans [Member] | Loans Receivable [Member] | Wineries [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 23,313,000 |
Percent of Loans Outstanding | 1.32% |
Consumer Loans [Member] | Loans Receivable [Member] | Camps [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 23,943,000 |
Percent of Loans Outstanding | 1.36% |
Consumer Loans [Member] | Loans Receivable [Member] | Resorts [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 34,512,000 |
Percent of Loans Outstanding | 1.96% |
Construction Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 58,226,000 | $ 53,020,000
Construction Real Estate Loans [Member] | Loans Receivable [Member] | Builders/Contractors [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 38,627,000 |
Percent of Loans Outstanding | 2.19% |

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