Income Taxes - Significant Portions of Deferred Tax Liabilities and Deferred Tax Assets (Detail) - Successor [Member] - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Deferred tax liabilities:
Insurance intangible	$ 376,462	$ 424,239
Variable interest entities	53,984	10,053
Investments	157,571	66,278
Unearned premiums and credit fees	97,080	98,945
Undistributed Earnings of Foreign Subsidiaries	8,176	0
Other	33,614	34,025
Deferred Tax Liabilities, Gross, Noncurrent	726,887	633,540
Deferred tax assets:
Net operating loss and capital carryforward	1,486,010	1,504,569
Loss reserves	138,316	122,635
Compensation	3,703	2,839
AMT Credits	27,328	27,252
Other	9,912	9,913
Sub total deferred tax assets	1,665,269	1,667,208
Valuation allowance	940,094	1,035,873
Total deferred tax assets	725,175	631,335
Deferred Tax Liabilities, Net	$ (1,712)	$ (2,205)