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Loans Receivable and Allowance for Credit Losses (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Participation interest in loans originated | $ 116,500,000 | $ 135,400,000 |
Loans receivable | 3,033,784,000 | 3,317,402,000 | $ 3,082,418,000
Non-accrual loans, interest income lost | 5,600,000 | 1,900,000 |
Individually evaluated for impairment | 83,399,000 | 54,019,000 | $ 28,272,000
Loans returned to accrual, interest income | 1,400,000 | 314,000 |
Amortized cost of loans past due 90 days and still accruing | 7,726,000 | 0 |
Substandard [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans receivable | 152,700,000 | 85,700,000 |
Individually evaluated for impairment | $ 83,400,000 | $ 54,000,000.0 |

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