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Potential Liability Obligations Under the Related Reinsurance Agreements (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Mar. 31, 2015
Policyholder Benefits and Claims Incurred, Net [Abstract] |
Letters of credit held at year end from re-insurers | $ 0.4 us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
Letters of credit issued at year end | $ 1.9 us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

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- Details
Name: | us-gaap_PolicyholderBenefitsAndClaimsIncurredNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of policy benefits and costs incurred for policies assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 + Details
Name: | us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of reduction of provision for policy benefits and costs incurred for policies ceded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 + Details
Name: | us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration