Long-term Debt (Tables)

6 Months Ended

Jun. 30, 2012

Long-term Debt [Abstract]

Carrying value of Long-term debt

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

	June 30, 2012		December 31, 2011
Ambac Assurance Corporation:
5.1% surplus notes, general account, due 2020	$	133,820	$	213,790
5.1% surplus notes, segregated account, due 2020		6,233		6,020
5.1% junior surplus notes, segregated account, due 2020		3,983		3,791
Ambac Assurance long-term debt	$	144,036	$	223,601
Variable Interest Entities:
Total long-term debt	$	14,376,872	$	14,288,540