Investments (Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Investments [Abstract]
Due in one year or less, Amortized cost	$ 2,435
Due after one year through five years, Amortized cost	13,999
Due after five years through ten years, Amortized cost	21,233
Due after ten years, Amortized cost	39,398
Amortized Cost Contractual Maturities Subtotal	77,065
Mortgage-backed securities, Amortized cost	52,943
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	130,008
Due in one year or less, Fair value	2,450
Due after one year through five years, Fair value	14,770
Due after five years through ten years, Fair value	22,302
Due after ten years, Fair value	39,252
Fair Value Contractual Maturities Subtotal	78,774
Mortgage-backed securities, Fair value	53,859
Available-for-sale Securities, Debt Securities, Fair Value	$ 132,633

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing after the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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