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Significant Accounting Policies (Details Textual) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2012 | Jun. 30, 2012 | Dec. 31, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010
Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |  |
Deferred policy acquisition costs | $ 51,872,000 | $ 56,922,000 | $ 50,200,000 | $ 59,129,000 | $ 51,860,000 | $ 50,128,000
Significant Accounting Policies (Additional Textual) [Abstract] |  |  |  |  |  |
Excess amount of cash balance transferred into custodial accounts | 250,000 | 250,000 | 250,000 |  |  |
Unsecured amounts due from reinsurers exceeding a fixed percentage of stockholders equity |  | 3.00% | 3.00% |  |  |
Percentage reduction in net, deferred policy acquisition costs |  | 13.00% | 13.00% |  |  |
Deferred policy acquisition costs net difference amount | 1,600,000 |  |  |  |  |
Acquisition-related Costs [Member] |  |  |  |  |  |
Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |  |
Deferred policy acquisition costs |  | $ 11,400,000 | $ 13,000,000 |  |  |

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- Definition The unamortized portion as of the balance sheet date of capitalized acquisition costs that are related directly to the successful acquisition of new and renewal insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.7) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 55 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6968122&loc=d3e11446-158418 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 16 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 18 -Article 12 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6481648&loc=d3e11198-158413 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 60 -Paragraph 28, 29 -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. + Details
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- Definition Deferred policy acquisition costs net difference amount. + References No definition available. + Details
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- Definition Deferred policy acquisition costs net difference percentage. + References No definition available. + Details
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- Definition Excess amount of cash balance transferred into custodial accounts. + References No definition available. + Details
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- Definition Represents that unsecured recoverable amounts from reinsurers that exceed a fixed percentage of the company's stockholders' equity for purposes of disclosing concentration of risk. + References No definition available. + Details
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