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Fair Value Measurements (Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Fair Value Assets Measured on Recurring Basis [Roll Forward] |  |  |  |  |
Beginning balance |  | $ 176,565 | $ 184,662 | $ 185,350 | $ 177,614
Total gains (losses) (realized/unrealized), included in earnings |  | 4,414 | 5,677 | (4,111) | 12,777
Total gains (losses) (realized/unrealized), included in other comprehensive income | [1] | 2 | (4) | (16) | 5
Discount accretion |  | 1 | 1 | 2 | 1
Purchase of private equity securities |  | 728 | 1,470 | 6,426 | 10,947
Sales And Repayments Of Private Equity Securities |  | (6,707) | (12,564) | (12,665) | (21,964)
Capitalized interest/dividends |  | 17 | 32 | 34 | (106)
Ending balance |  | 175,020 | 179,274 | 175,020 | 179,274
Total gains (losses) for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end |  | 4,414 | 5,677 | (3,312) | 11,002
Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total |  | 2 | (4) | $ (16) | 5
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | INVESTMENT SECURITIES GAINS (LOSSES), NET |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Net unrealized gains (losses) on available for sale debt securities |
State and municipal obligations [Member] |  |  |  |  |
Fair Value Assets Measured on Recurring Basis [Roll Forward] |  |  |  |  |
Beginning balance |  | 947 | 956 | $ 964 | 947
Total gains (losses) (realized/unrealized), included in earnings |  | 0 | 0 | 0 | 0
Total gains (losses) (realized/unrealized), included in other comprehensive income | [1] | 2 | (4) | (16) | 5
Discount accretion |  | 1 | 1 | 2 | 1
Purchase of private equity securities |  | 0 | 0 | 0 | 0
Sales And Repayments Of Private Equity Securities |  | 0 | 0 | 0 | 0
Capitalized interest/dividends |  | 0 | 0 | 0 | 0
Ending balance |  | 950 | 953 | 950 | 953
Total gains (losses) for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end |  | 0 | 0 | 0 | 0
Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total |  | 2 | (4) | (16) | 5
Private Equity Investments [Member] |  |  |  |  |
Fair Value Assets Measured on Recurring Basis [Roll Forward] |  |  |  |  |
Beginning balance |  | 175,618 | 183,706 | 184,386 | 176,667
Total gains (losses) (realized/unrealized), included in earnings |  | 4,414 | 5,677 | (4,111) | 12,777
Total gains (losses) (realized/unrealized), included in other comprehensive income | [1] | 0 | 0 | 0 | 0
Discount accretion |  | 0 | 0 | 0 | 0
Purchase of private equity securities |  | 728 | 1,470 | 6,426 | 10,947
Sales And Repayments Of Private Equity Securities |  | (6,707) | (12,564) | (12,665) | (21,964)
Capitalized interest/dividends |  | 17 | 32 | 34 | (106)
Ending balance |  | 174,070 | 178,321 | 174,070 | 178,321
Total gains (losses) for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end |  | 4,414 | 5,677 | (3,312) | 11,002
Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total |  | $ 0 | $ 0 | $ 0 | $ 0
[1] | * Included in "net unrealized gains (losses) on available for sale debt securities" in the consolidated statements of comprehensive income.

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