Municipal Bond Guarantee Insurance (Tables)

12 Months Ended

Dec. 31, 2021

Insurance [Abstract]

Schedule of Insured Obligations

The following table presents a schedule of BAM’s insured obligations as of December 31, 2021 and 2020:

	December 31, 2021		December 31, 2020
Contracts outstanding	12,350		10,997
Remaining weighted average contract period (in years)	10.8		10.7
Contractual debt service outstanding (in millions):
Principal	$	89,196.5	$	75,287.7
Interest	41,486.5		36,448.8
Total debt service outstanding	$	130,683.0	$	111,736.5
Gross unearned insurance premiums	$	266.3	$	237.5

Schedule of BAM’s future premium revenues

The following table presents a schedule of BAM’s future premium revenues as of December 31, 2021:

Millions	December 31, 2021
January 1, 2022 - March 31, 2022	$	6.4
April 1, 2022 - June 30, 2022	6.4
July 1, 2022 - September 30, 2022	6.3
October 1, 2022 - December 31, 2022	6.1
	25.2
2023	23.9
2024	22.2
2025	20.6
2026	19.1
2027 and thereafter	155.3
Total gross unearned insurance premiums	$	266.3

Schedule of Net Written Premiums

The following table presents a schedule of written premiums and earned premiums included in White Mountains’s HG Global/BAM segment for the years ended December 31, 2021, 2020 and 2019:

Millions	December 31, 2021		December 31, 2020		December 31, 2019
Written premiums:
Direct	$	51.2	$	61.5	$	28.1
Assumed	4.6		.2		10.6
Gross written premiums (1)	$	55.8	$	61.7	$	38.7
Earned premiums:
Direct	$	23.2	$	19.4	$	13.6
Assumed	3.7		3.4		2.7
Gross earned premiums (1)	$	26.9	$	22.8	$	16.3

(1) There are no ceded premium amounts in the periods presented and Gross earned premium are equivalent to net written premiums and net earned premiums.