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Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Investments [Abstract]
Due in one year or less, Amortized cost	$ 21,030
Due after one year through five years, Amortized cost	25,764
Due after five years through ten years, Amortized cost	35,173
Due after ten years, Amortized cost	2,358
Amortized Cost Contractual Maturities Subtotal	84,325
Mortgage-backed securities, Amortized cost	43,266
Available-for-sale Securities, Debt Maturities, Amortized cost	127,591
Due in one year or less, Fair value	21,084
Due after one year through five years, Fair value	25,839
Due after five years through ten years, Fair value	35,467
Due after ten years, Fair value	2,424
Fair Value Contractual Maturities Subtotal	84,814
Mortgage-backed securities, Fair value	43,067
Available-for-sale Securities, Debt Securities, Fair Value	$ 127,881	$ 131,472

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