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Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Investments [Abstract]
Due in one year or less, Amortized cost	$ 17,427
Due after one year through five years, Amortized cost	18,193
Due after five years through ten years, Amortized cost	43,931
Due after ten years, Amortized cost	15,118
Amortized Cost Contractual Maturities Subtotal	94,669
Mortgage-backed securities, Amortized cost	50,792
Available-for-sale Securities, Debt Maturities, Amortized cost	145,461
Due in one year or less, Fair value	17,514
Due after one year through five years, Fair value	18,349
Due after five years through ten years, Fair value	44,923
Due after ten years, Fair value	15,210
Fair Value Contractual Maturities Subtotal	95,996
Mortgage-backed securities, Fair value	51,332
Available-for-sale Securities, Debt Securities, Fair Value	$ 147,328	$ 131,472

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