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Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 503,807	$ 521,919
Fair Value	454,465	$ 472,503
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Due after one year through five years, Amortized cost	85,160
Due after five years through ten years, Amortized cost	80,052
Due after ten years, Amortized cost	102,718
Amortized cost	267,930
Due after one year through five years, Fair value	75,619
Due after five years through ten years, Fair value	69,302
Due after ten years, Fair value	86,488
Fair Value	231,409
Mortgage And Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Mortgage-backed securities, Amortized cost	235,877
Mortgage-backed securities, Fair value	$ 223,056

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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