Financial Guarantee Insurance Contracts - Effect of Reinsurance on Premiums Written and Earned (Detail) - Successor [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Written	$ (11,192)	$ (45,486)	$ (10,130)	$ (51,252)
Assumed Reinsurance Premiums Written	0	0	0	0
Ceded Reinsurance Premiums Written	(1,142)	(4,967)	(777)	(4,511)
Premiums written, net of reinsurance	10,050	40,519	9,353	46,741
Direct Premiums Earned	65,156	68,025	136,806	154,209
Assumed Reinsurance Premiums Earned	22	23	43	91
Ceded Reinsurance Premiums Earned	4,299	3,035	10,252	6,740
Reinsurance on premiums earned, Net	$ 60,879	$ 65,013	$ 126,597	$ 147,560