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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The Company and its Subsidiaries - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Jan. 30, 2014	Jan. 05, 2015
Related Party Transaction [Line Items]
Plan Effective Date	Mar. 19, 2012
Common stock, shares authorized	500,000,000us-gaap_CommonStockSharesAuthorized	500,000,000us-gaap_CommonStockSharesAuthorized
Preferred stock, shares authorized	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Common stock, par value	$ 0.00001	$ 0.00001
Preferred stock, par value	$ 0.00001	$ 0.00001
Common stock, shares issued	202,343,245us-gaap_CommonStockSharesIssued	202,343,245us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	202,343,245us-gaap_CommonStockSharesOutstanding	202,343,245us-gaap_CommonStockSharesOutstanding
WMMRC [Member]
Related Party Transaction [Line Items]
Number of primary mortgage insurers	7
Series A Convertible Preferred Stock [Member]
Related Party Transaction [Line Items]
Preferred stock, shares issued	1,000,000	1,000,000	1,000,000
Preferred stock, shares outstanding	1,000,000	1,000,000
Series B Preferred Stock [Member]
Related Party Transaction [Line Items]
Common stock, par value	$ 1.75
Preferred stock, par value				$ 0.00001
Preferred stock, shares issued	600,000	0		600,000
Preferred stock, shares outstanding	600,000	0