Investments (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Amortized cost and estimated fair value of fixed maturity securities by contractual maturity
Due in one year or less, Amortized cost	$ 4,026
Due after one year through five years, Amortized cost	19,261
Due after five years through ten years, Amortized cost	19,259
Due after ten years, Amortized cost	251,258
Mortgage and asset-backed securities, Amortized cost	13,966
Amortized cost, Total	307,770
Due in one year or less, Estimated fair value	4,056
Due after one year through five years, Estimated fair value	20,340
Due after five years through ten years, Estimated fair value	19,533
Due after ten years, Estimated fair value	252,717
Mortgage and asset-backed securities, Estimated fair value	14,663
Estimated fair value, Total	$ 311,309

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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 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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