Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) $ in Thousands	Mar. 31, 2016 USD ($)
Investments [Abstract]
Due in one year or less, Amortized cost	$ 1,673
Due after one year through five years, Amortized cost	12,879
Due after five years through ten years, Amortized cost	27,472
Due after ten years, Amortized cost	42,361
Amortized Cost Contractual Maturities Subtotal	84,385
Mortgage-backed securities, Amortized cost	67,940
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	152,325
Due in one year or less, Fair value	1,682
Due after one year through five years, Fair value	13,215
Due after five years through ten years, Fair value	28,425
Due after ten years, Fair value	42,180
Fair Value Contractual Maturities Subtotal	85,502
Mortgage-backed securities, Fair value	68,953
Available-for-sale Securities, Debt Securities, Fair Value	$ 154,455