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Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investments [Abstract]
Due in one year or less, Amortized cost	$ 12,815
Due after one year through five years, Amortized cost	13,242
Due after five years through ten years, Amortized cost	151,852
Due after ten years, Amortized cost	136,394
Total Amortized cost	314,303
Mortgage-backed securities, Amortized cost	234,030
Amortized cost	548,333	$ 525,717
Due in one year or less, Fair value	12,782
Due after one year through five years, Fair value	12,666
Due after five years through ten years, Fair value	131,416
Due after ten years, Fair value	113,087
Total Fair value	269,951
Mortgage-backed securities, Fair value	216,885
Fair Value	$ 486,836	$ 529,811

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