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The Company and its Subsidiaries - Additional Information (Detail) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 17, 2012 | Dec. 31, 2012 Insurers
Schedule Of Description Of Company [Line Items] |  |
Number of operations |  | 1
Loss from contract termination |  | 6,200,000
WMMRC [Member] |  |
Schedule Of Description Of Company [Line Items] |  |
Number of primary mortgage insurers |  | 7
Amount paid by PMI | 30,700,000 |
PMI [Member] |  |
Schedule Of Description Of Company [Line Items] |  |
Amount paid by PMI | $ 49,000,000 |

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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount Paid To Third Party Under Commutation Agreement + References No definition available. + Details
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- Definition Number of operations operated in runoff. + References No definition available. + Details
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- Details
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