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Fair Value Measurements (Summarize Changes in Level 3 Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Assets: |  |
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag | Earnings (Losses) | Earnings (Losses)
StatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag | Other operating costs and expenses | Other operating costs and expenses
FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleListNotDisclosedFlag | Other Comprehensive Losses | Other Comprehensive Losses
Level 3 |  |
Assets: |  |
Beginning Balance | $ 9,025 | $ 17,488
Earnings (Losses) | 386 | (927)
Other Comprehensive Losses | (333) | 0
Impairments | 0 | (7,601)
Purchases | 0 | 0
Sales | (223) | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 20,037 | 65
Ending Balance | 28,892 | 9,025
Level 3 | Debt Securities |  |
Assets: |  |
Beginning Balance | 0 | 0
Earnings (Losses) | 0 | 0
Other Comprehensive Losses | (333) | 0
Impairments | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 20,000 | 0
Ending Balance | 19,667 | 0
Level 3 | Corporate |  |
Assets: |  |
Beginning Balance | 0 | 0
Earnings (Losses) | 0 | 0
Other Comprehensive Losses | (333) | 0
Impairments | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 20,000 | 0
Ending Balance | 19,667 | 0
Level 3 | Equity securities |  |
Assets: |  |
Beginning Balance | 5,253 | 13,898
Earnings (Losses) | 647 | (1,044)
Other Comprehensive Losses | 0 | 0
Impairments | 0 | (7,601)
Purchases | 0 | 0
Sales | (185) | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 0 | 0
Ending Balance | 5,715 | 5,253
Level 3 | Common stocks |  |
Assets: |  |
Beginning Balance | 1,558 | 2,599
Earnings (Losses) | 611 | (1,041)
Other Comprehensive Losses | 0 | 0
Impairments | 0 | 0
Purchases | 0 | 0
Sales | (128) | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 0 | 0
Ending Balance | 2,041 | 1,558
Level 3 | Preferred stocks |  |
Assets: |  |
Beginning Balance | 3,695 | 11,299
Earnings (Losses) | 36 | (3)
Other Comprehensive Losses | 0 | 0
Impairments | 0 | (7,601)
Purchases | 0 | 0
Sales | (57) |
Paydowns/Maturities | 0 | 0
Transfers In / Out | 0 | 0
Ending Balance | 3,674 | 3,695
Level 3 | Trading account |  |
Assets: |  |
Beginning Balance | 3,772 | 3,590
Earnings (Losses) | (261) | 117
Other Comprehensive Losses | 0 | 0
Impairments | 0 | 0
Purchases | 0 | 0
Sales | (38) | 0
Paydowns/Maturities | 0 | 0
Transfers In / Out | 37 | 65
Ending Balance | $ 3,510 | $ 3,772

X
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