XML 70 R51.htm IDEA: XBRL DOCUMENT v3.19.1
Financial Guarantee Insurance Contracts - Summary of Information Related to Policies Currently Included in Ambac's Loss Reserves or Subrogation Recoverable (Detail)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Policies
Dec. 31, 2018
USD ($)
Policies
Mar. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Loss Reserves Ceded To Reinsurers $ 26,238 $ 22,623 $ 38,735 $ 40,658
Ceded Loss And Loss Expenses Paid Not Yet Recovered $ 550 $ 510 $ 90  
Number of policies | Policies 239 231    
Remaining weighted-average contract period (in years) 15 years 16 years    
Gross insured contractual payments outstanding:        
Principal $ 8,117,979 $ 9,403,405    
Interest 3,850,219 10,582,773    
Total 11,968,198 19,986,178    
Gross undiscounted claim liability 2,918,360 3,448,228    
Discount, gross claim liability 780,787 1,091,958    
Gross claim liability before all subrogation and before reinsurance 2,137,573 2,356,270    
Less:        
Gross RMBS subrogation (1,803,302) (1,809,937)    
Discount, RMBS subrogation 37,280 39,391    
Discounted RMBS subrogation, before reinsurance (1,766,022) (1,770,546)    
Less:        
Gross other subrogation (658,748) (784,891)    
Discount, other subrogation 58,693 133,188    
Discounted other subrogation, before reinsurance (600,055) (651,703)    
Gross claim liability, net of all subrogation and discounts, before reinsurance (228,504) (65,979)    
Less: Unearned premium reserves (76,877) (106,662)    
Plus: Loss adjustment expenses reserves 83,427 65,759    
Claim liability reported on Balance Sheet, before reinsurance (221,954) (106,882)    
Reinsurance recoverable reported on Balance Sheet $ 26,788 $ 23,133    
I/SL [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 33 21    
Remaining weighted-average contract period (in years) 9 years 9 years    
Gross insured contractual payments outstanding:        
Principal $ 934,336 $ 916,530    
Interest 514,643 487,702    
Total 1,448,979 1,404,232    
Gross undiscounted claim liability 6,344 4,019    
Discount, gross claim liability 620 481    
Gross claim liability before all subrogation and before reinsurance 5,724 3,538    
Less:        
Gross RMBS subrogation 0 0    
Discount, RMBS subrogation 0 0    
Discounted RMBS subrogation, before reinsurance 0 0    
Less:        
Gross other subrogation 0 0    
Discount, other subrogation 0 0    
Discounted other subrogation, before reinsurance 0 0    
Gross claim liability, net of all subrogation and discounts, before reinsurance 5,724 3,538    
Less: Unearned premium reserves (3,791) (943)    
Plus: Loss adjustment expenses reserves 1,809 1,369    
Claim liability reported on Balance Sheet, before reinsurance 3,742 3,964    
Reinsurance recoverable reported on Balance Sheet $ 216 $ 367    
IA [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 28 28    
Remaining weighted-average contract period (in years) 18 years 19 years    
Gross insured contractual payments outstanding:        
Principal $ 754,502 $ 708,249    
Interest 646,737 631,708    
Total 1,401,239 1,339,957    
Gross undiscounted claim liability 56,257 63,712    
Discount, gross claim liability 7,729 13,008    
Gross claim liability before all subrogation and before reinsurance 48,528 50,704    
Less:        
Gross RMBS subrogation 0 0    
Discount, RMBS subrogation 0 0    
Discounted RMBS subrogation, before reinsurance 0 0    
Less:        
Gross other subrogation 0 (10,816)    
Discount, other subrogation 0 7,318    
Discounted other subrogation, before reinsurance 0 (3,498)    
Gross claim liability, net of all subrogation and discounts, before reinsurance 48,528 47,206    
Less: Unearned premium reserves (9,639) (10,073)    
Plus: Loss adjustment expenses reserves 5,330 4,253    
Claim liability reported on Balance Sheet, before reinsurance 44,219 41,386    
Reinsurance recoverable reported on Balance Sheet $ 8,901 $ 7,285    
II [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 12 18    
Remaining weighted-average contract period (in years) 8 years 9 years    
Gross insured contractual payments outstanding:        
Principal $ 177,251 $ 622,820    
Interest 87,602 293,293    
Total 264,853 916,113    
Gross undiscounted claim liability 25,466 36,000    
Discount, gross claim liability 1,897 3,069    
Gross claim liability before all subrogation and before reinsurance 23,569 32,931    
Less:        
Gross RMBS subrogation 0 0    
Discount, RMBS subrogation 0 0    
Discounted RMBS subrogation, before reinsurance 0 0    
Less:        
Gross other subrogation 0 0    
Discount, other subrogation 0 0    
Discounted other subrogation, before reinsurance 0 0    
Gross claim liability, net of all subrogation and discounts, before reinsurance 23,569 32,931    
Less: Unearned premium reserves (1,640) (5,085)    
Plus: Loss adjustment expenses reserves 902 2,564    
Claim liability reported on Balance Sheet, before reinsurance 22,831 30,410    
Reinsurance recoverable reported on Balance Sheet $ 3,758 $ 4,223    
III [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 16 16    
Remaining weighted-average contract period (in years) 18 years 22 years    
Gross insured contractual payments outstanding:        
Principal $ 909,382 $ 1,705,464    
Interest 443,526 6,979,130    
Total 1,352,908 8,684,594    
Gross undiscounted claim liability 591,366 992,019    
Discount, gross claim liability 202,850 433,709    
Gross claim liability before all subrogation and before reinsurance 388,516 558,310    
Less:        
Gross RMBS subrogation 0 0    
Discount, RMBS subrogation 0 0    
Discounted RMBS subrogation, before reinsurance 0 0    
Less:        
Gross other subrogation (46,914) (136,541)    
Discount, other subrogation 6,295 67,008    
Discounted other subrogation, before reinsurance (40,619) (69,533)    
Gross claim liability, net of all subrogation and discounts, before reinsurance 347,897 488,777    
Less: Unearned premium reserves (7,219) (36,365)    
Plus: Loss adjustment expenses reserves 2,362 (5,926)    
Claim liability reported on Balance Sheet, before reinsurance 343,040 446,486    
Reinsurance recoverable reported on Balance Sheet $ 27,138 $ 26,096    
IV [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 147 145    
Remaining weighted-average contract period (in years) 14 years 14 years    
Gross insured contractual payments outstanding:        
Principal $ 5,299,368 $ 5,407,202    
Interest 2,144,310 2,177,539    
Total 7,443,678 7,584,741    
Gross undiscounted claim liability 2,182,417 2,295,968    
Discount, gross claim liability 564,236 637,548    
Gross claim liability before all subrogation and before reinsurance 1,618,181 1,658,420    
Less:        
Gross RMBS subrogation (1,803,302) (1,809,937)    
Discount, RMBS subrogation 37,280 39,391    
Discounted RMBS subrogation, before reinsurance (1,766,022) (1,770,546)    
Less:        
Gross other subrogation (598,954) (624,654)    
Discount, other subrogation 48,954 55,088    
Discounted other subrogation, before reinsurance (550,000) (569,566)    
Gross claim liability, net of all subrogation and discounts, before reinsurance (697,841) (681,692)    
Less: Unearned premium reserves (54,395) (53,987)    
Plus: Loss adjustment expenses reserves 73,024 63,499    
Claim liability reported on Balance Sheet, before reinsurance (679,212) (672,180)    
Reinsurance recoverable reported on Balance Sheet $ (13,225) $ (14,838)    
V [Member]        
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items]        
Number of policies | Policies 3 3    
Remaining weighted-average contract period (in years) 3 years 3 years    
Gross insured contractual payments outstanding:        
Principal $ 43,140 $ 43,140    
Interest 13,401 13,401    
Total 56,541 56,541    
Gross undiscounted claim liability 56,510 56,510    
Discount, gross claim liability 3,455 4,143    
Gross claim liability before all subrogation and before reinsurance 53,055 52,367    
Less:        
Gross RMBS subrogation 0 0    
Discount, RMBS subrogation 0 0    
Discounted RMBS subrogation, before reinsurance 0 0    
Less:        
Gross other subrogation (12,880) (12,880)    
Discount, other subrogation 3,444 3,774    
Discounted other subrogation, before reinsurance (9,436) (9,106)    
Gross claim liability, net of all subrogation and discounts, before reinsurance 43,619 43,261    
Less: Unearned premium reserves (193) (209)    
Plus: Loss adjustment expenses reserves 0 0    
Claim liability reported on Balance Sheet, before reinsurance 43,426 43,052    
Reinsurance recoverable reported on Balance Sheet $ 0 $ 0