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Insurance Operations (Details 5) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Restricted cash and cash equivalents [Member] |  |
Assets held by insurance regulators |  |
Assets held by insurance regulators | $ 33,009 | $ 48,092
Investments [Member] |  |
Assets held by insurance regulators |  |
Assets held by insurance regulators | $ 4,009 | $ 3,801

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- Definition Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 320 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6485772&loc=d3e22002-158495 + Details
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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration