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Statutory Financial Information, Capital Requirements, and Restrictions on Dividends and Transfers of Funds (Dividends) (Details) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Ordinary dividends paid | $ 55,000,000 |
Extraordinary dividends paid | 141,100,000 |
Total dividends paid | 196,100,000 |
Maximum ordinary dividends | 106,200,000 |
Combined total adjusted capital in excess of the authorized control level | 3.9 |
Retained earnings | 1,125,154,000 | 1,116,319,000
Maximum borrowing percentage for SISC and SISE | 10.00% |
SICA [Member] |  |
Ordinary dividends paid | 28,700,000 |
Extraordinary dividends paid | 141,100,000 |
Total dividends paid | 169,800,000 |
Maximum ordinary dividends | 37,000,000 |
SWIC [Member] |  |
Ordinary dividends paid | 20,500,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 20,500,000 |
Maximum ordinary dividends | 21,100,000 |
SICSC [Member] |  |
Ordinary dividends paid | 800,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 800,000 |
Maximum ordinary dividends | 9,100,000 |
SICSE [Member] |  |
Ordinary dividends paid | 500,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 500,000 |
Maximum ordinary dividends | 7,000,000 |
SICNY [Member] |  |
Ordinary dividends paid | 2,900,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 2,900,000 |
Maximum ordinary dividends | 7,300,000 |
SICNE [Member] |  |
Ordinary dividends paid | 1,000,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 1,000,000 |
Maximum ordinary dividends | 3,200,000 |
Capital contribution from Parent to subsidiaries | 19,500,000 |
SAICNJ [Member] |  |
Ordinary dividends paid | 600,000 |
Extraordinary dividends paid | 0 |
Total dividends paid | 600,000 |
Maximum ordinary dividends | 5,800,000 |
MUSIC [Member] |  |
Ordinary dividends paid | 0 |
Extraordinary dividends paid | 0 |
Total dividends paid | 0 |
Maximum ordinary dividends | 5,400,000 |
Capital contribution from Parent to subsidiaries | 13,300,000 |
SCIC [Member] |  |
Ordinary dividends paid | 0 |
Extraordinary dividends paid | 0 |
Total dividends paid | 0 |
Maximum ordinary dividends | 7,200,000 |
Capital contribution from Parent to subsidiaries | 74,400,000 |
SFCIC [Member] |  |
Ordinary dividends paid | 0 |
Extraordinary dividends paid | 0 |
Total dividends paid | 0 |
Maximum ordinary dividends | 3,100,000 |
Capital contribution from Parent to subsidiaries | 31,900,000 |
Parent Company [Member] |  |
Debt service, shareholder dividends and general operating purposes | 57,000,000 |
Additional borrowing capacity for parent | 22,000,000 |
Investment Portfolio | 68,000,000 |
Retained earnings | $ 1,100,000,000 |

X
- Definition The additional borrowing capacity for the Parent from the Indiana Subsidiaries. + References No definition available. + Details
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- Definition This element represents the cash outflow during the period from capital contributions from the parent to its subsidiaries. + References No definition available. + Details
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- Definition This element represents disclosure of the total aggregate dividends paid to the entity by consolidated subsidiaries, by unconsolidated subsidiaries, and by 50% or less owned persons accounted for using the equity method. + References No definition available. + Details
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- Definition Funds from dividends from subsidiary used for debt service, shareholders dividends and general operating purposes. + References No definition available. + Details
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- Definition This element represents disclosure of the extraordinary dividends paid to the parent company. + References No definition available. + Details
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- Definition Investment Portfolio available to fund future dividents and interest payments + References No definition available. + Details
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- Definition The maximum collaterized borrowing percentage from SISE and SISC admitted assets + References No definition available. + Details
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- Definition This element represents disclosure of the ordinary dividends paid to the parent company. + References No definition available. + Details
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- Definition The amount of statutory adjusted capital in excess of the authorized control level risk-based capital computed using statutory accounting practices prescribed by the National Association of Insurance Commissioners. + References No definition available. + Details
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- Definition The amount of dividends that can be declared or paid with approval of relevant regulatory agencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph e -Article 4 + Details
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. + 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 210.5-02.31(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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