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Loans Receivable and Allowance for Credit Losses (Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Real Estate Acquired Through Foreclosure | $ 97,000 | $ 346,000 |
Number Of Properties Under Foreclosure Proceedings | loan | 2 |  |
Annual Loan Review threshold, amount | $ 1,500,000 |  |
Financing Receivable, before Allowance for Credit Loss | 1,603,877,000 | 1,474,424,000 |
Proceeds from Sale of Mortgage Loans Held-for-sale | 4,973,000 | 845,000 |
Allowance for Loan and Lease Losses, Adjustments, Other |  | 2,400,000 |
Allowance for Loan and Lease Losses, Period Increase (Decrease) | 1,969,000 | 557,000 |
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans | 694,000 | 182,000 |
Allowance for Loan and Lease Losses, Real Estate | 18,968,000 | 16,999,000 | $ 16,442,000
Servicing Asset at Amortized Cost | 59,200,000 | 60,000,000.0 |
Outstanding Balance |  | 8,368,000 |
Charge offs | 6,208,000 |  |
Allowance for loan losses | 18,968,000 | 16,999,000 |
(Release of) Provision for credit losses | 5,581,000 |  |
Total | 7,622,000 |  |
Residential Rentals [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge offs | 44,000 |  |
Commercial Rentals [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge offs | 6,000 |  |
Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage Loans in Process of Foreclosure, Amount | 98,000 |  |
Financing Receivable, before Allowance for Credit Loss | 316,546,000 | 298,813,000 |
Proceeds from Sale of Mortgage Loans Held-for-sale | 5,036,000 | 848,000 |
Gross Realized Gains on Loans | 63,000 | 3,000 |
Gross Realized Losses on Loans | 0 | 0 |
Charge offs | 34,000 |  |
Allowance for loan losses | 1,351,000 | 1,288,000 |
(Release of) Provision for credit losses | 91,000 |  |
Total | 432,000 |  |
Residential Real Estate Loans [Member] | Hospitality Lodging Industry [Member] | Loans Receivable [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing Receivable, before Allowance for Credit Loss | $ 115,200,000 |  |
Concentration Risk, Percentage | 7.20% |  |
Commercial Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing Receivable, before Allowance for Credit Loss | $ 675,156,000 | 651,544,000 |
Charge offs | 154,000 |  |
Allowance for loan losses | 11,871,000 | 13,820,000 |
(Release of) Provision for credit losses | (1,810,000) |  |
Total | 2,211,000 |  |
Commercial Real Estate Loans [Member] | Commercial Rentals [Member] | Loans Receivable [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing Receivable, before Allowance for Credit Loss | $ 149,200,000 |  |
Concentration Risk, Percentage | 9.30% |  |
COVID [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for Loan and Lease Losses, Adjustments, Other |  | 2,300,000 |
Allowance for Loan and Lease Losses, Period Increase (Decrease) |  | 445,000 |
Adoption Impact [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for loan losses |  | 2,466,000 |
Adoption Impact [Member] | Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for loan losses |  | (1,545,000) |
Adoption Impact [Member] | Commercial Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for loan losses |  | $ 5,527,000 |
Real Estate [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 2,692,000 |  |
Real Estate [Member] | Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 432,000 |  |
Real Estate [Member] | Commercial Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 2,211,000 |  |
Other Collateral Pledged [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 4,930,000 |  |

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- Definition The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481906/310-30-15-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481696/310-30-50-2 + Details
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