Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The carrying value of long-term debt was as follows:

December 31	2015		2014
Ambac Assurance:
5.1% surplus notes, general account, due 2020	$	715,211	$	696,330
5.1% surplus notes, segregated account, due 2020	31,725		30,479
5.1% junior surplus notes, segregated account, due 2020	247,443		244,307
Secured borrowing	130,571		—
Ambac Assurance long-term debt	$	1,124,950	$	971,116
Variable Interest Entities long-term debt	$	12,327,960	$	12,882,076