Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) $ in Thousands	Sep. 30, 2016 USD ($)
Investments [Abstract]
Due in one year or less, Amortized cost	$ 2,073
Due after one year through five years, Amortized cost	11,896
Due after five years through ten years, Amortized cost	28,278
Due after ten years, Amortized cost	42,736
Amortized Cost Contractual Maturities Subtotal	84,983
Mortgage-backed securities, Amortized cost	67,506
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	152,489
Due in one year or less, Fair value	2,094
Due after one year through five years, Fair value	12,218
Due after five years through ten years, Fair value	29,158
Due after ten years, Fair value	43,059
Fair Value Contractual Maturities Subtotal	86,529
Mortgage-backed securities, Fair value	68,566
Available-for-sale Securities, Debt Securities, Fair Value	$ 155,095