Income Taxes - Significant Portions of Deferred Tax Liabilities and Deferred Tax Assets (Detail) - Successor [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Deferred tax liabilities:
Insurance intangible	$ 402,488	$ 424,239
Variable interest entities	57,408	10,053
Investments	158,576	66,278
Unearned premiums and credit fees	99,187	98,945
Undistributed Earnings of Foreign Subsidiaries	4,291	0
Other	33,621	34,025
Deferred Tax Liabilities, Gross, Noncurrent	755,571	633,540
Deferred tax assets:
Net operating loss and capital carryforward	1,513,867	1,504,569
Loss reserves	132,705	122,635
Compensation	3,091	2,839
AMT Credits	27,252	27,252
Other	9,913	9,913
Sub total deferred tax assets	1,686,828	1,667,208
Valuation allowance	933,016	1,035,873
Total deferred tax assets	753,812	631,335
Deferred Tax Liabilities, Net	$ (1,759)	$ (2,205)