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Fair Value Measurements (Summarizes Of Interest Rate Derivatives) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value Measurements |  |
Included in other assets | $ 29,351 | $ 7,545
Secured Overnight Financing Rate (SOFR) |  |
Fair Value Measurements |  |
Interest cap rate | 4.15% |
LIBOR |  |
Fair Value Measurements |  |
Interest cap rate | 6.00% |
731 Lexington Avenue mortgage loan, retail condominium | Interest rate swap | Designated as Hedging Instrument |  |
Fair Value Measurements |  |
Included in other assets | $ 26,718 | 7,545
Notional Amount | $ 300,000 |
Swapped Rate | 1.76% |
Rego Park II shopping center mortgage loan | Interest rate swap | Designated as Hedging Instrument |  |
Fair Value Measurements |  |
Included in other assets | $ 2,622 | 0
Notional Amount | 202,544 |
731 Lexington Avenue mortgage loan, office condominium | Interest rate swap | Designated as Hedging Instrument |  |
Fair Value Measurements |  |
Included in other assets | 11 | $ 0
Notional Amount | $ 500,000 |

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