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Fair Value (Details Textual) (USD $) In Millions, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
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Minimum Percentage of Defaults Rates on Above 3 Years Issuer Average in Other than Temporary Impairment Model Assumptions | 0.25% |
Maximum Percentage of Defaults Rates on Above 3 Years Issuer Average in Other than Temporary Impairment Model Assumptions | 5.00% |
Minimum Percentage of Recovery Assumptions on Other than Temporary Impairment Model Assumptions | 0.00% |
Maximum Percentage of Recovery Assumptions on Other than Temporary Impairment Model Assumptions | 15.00% |
Available-for-sale Securities, Amortized Cost Basis | $ 3.9 |
Unpaid Principal Balance | 18.0 | 19.9
Impaired Financing Receivable, Reserve | 1.5 | 2.0
Impaired Financing Receivable, Fair Value | $ 16.5 | $ 17.9

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- Definition The fair value of investment related to impaired financing receivables. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition The carrying amount of reserve related to impaired financing receivable. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Maximum range percentage of defaults rates on above 3 years issuer average in other than temporary impairment model assumptions. + References No definition available. + Details
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- Definition Maximum range percentage of recovery assumptions in other than temporary impairment model assumptions. + References No definition available. + Details
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- Definition Minimum range percentage of defaults rates on above 3 years issuer average in other than temporary impairment model assumptions. + References No definition available. + Details
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- Definition Minimum range percentage of recovery assumptions in other than temporary impairment model assumptions. + References No definition available. + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Balance Type: | debit
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X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
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