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Loans Receivable and Allowance for Credit Losses (Loan Concentrations by Industry) (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 1,641,531,000 | $ 1,603,877,000
Commercial Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | 685,212,000 | 675,156,000
Commercial Real Estate Loans [Member] | Loans Receivable [Member] | Commercial Rentals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 146,099,000 |
Percent of Loans Outstanding | 8.90% |
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 317,507,000 | 316,546,000
Residential Real Estate Loans [Member] | Loans Receivable [Member] | Residential Rentals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 112,764,000 |
Percent of Loans Outstanding | 6.87% |
Consumer Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 289,880,000 | 264,321,000
Consumer Loans [Member] | Loans Receivable [Member] | Hotels/Motels [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 97,296,000 |
Percent of Loans Outstanding | 5.93% |
Consumer Loans [Member] | Loans Receivable [Member] | Dairy Cattle/Milk Product [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 45,835,000 |
Percent of Loans Outstanding | 2.79% |
Consumer Loans [Member] | Loans Receivable [Member] | Fuel/Gas Stations [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 50,325,000 |
Percent of Loans Outstanding | 3.07% |
Consumer Loans [Member] | Loans Receivable [Member] | Government Support [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 25,232,000 |
Percent of Loans Outstanding | 1.54% |
Consumer Loans [Member] | Loans Receivable [Member] | Mobile Home Park [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 27,275,000 |
Percent of Loans Outstanding | 1.66% |
Consumer Loans [Member] | Loans Receivable [Member] | Wineries [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 23,961,000 |
Percent of Loans Outstanding | 1.46% |
Consumer Loans [Member] | Loans Receivable [Member] | Camps [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 24,625,000 |
Percent of Loans Outstanding | 1.50% |
Consumer Loans [Member] | Loans Receivable [Member] | Resorts [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 19,892,000 |
Percent of Loans Outstanding | 1.21% |
Construction Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 48,030,000 | $ 51,453,000
Construction Real Estate Loans [Member] | Loans Receivable [Member] | Builders/Contractors [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Loans | $ 35,755,000 |
Percent of Loans Outstanding | 2.18% |

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