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Municipal Bond Guarantee Insurance | 12 Months Ended
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Dec. 31, 2019
Insurance [Abstract] |
Municipal Bond Guarantee Insurance | Municipal Bond Guarantee Insurance In 2012, HG Global was capitalized with $594.5 million from White Mountains and $14.5 million from non-controlling interests to fund the initial capitalization of BAM, a newly formed mutual municipal bond insurer. As of December 31, 2019, White Mountains owned 96.9% of HG Global’s preferred equity and 88.4% of its common equity. HG Global, together with its subsidiaries, provided the initial capitalization of BAM through the purchase of $503.0 million of BAM Surplus Notes. At inception, BAM and HG Re also entered into a first loss reinsurance treaty (“FLRT”). HG Re provides first loss protection up to 15%-of-par outstanding on each municipal bond insured by BAM. For capital appreciation bonds, par is adjusted to the estimated equivalent par value for current interest paying bonds. In return, BAM cedes 60% of the risk premium charged for insuring the municipal bond, which is net of a ceding commission. HG Re’s obligations under the FLRT are limited to the assets in two collateral trusts: a Regulation 114 Trust and a supplemental collateral trust (the “Supplemental Trust” and together with the Regulation 114 Trust, the “Collateral Trusts”). Losses required to be reimbursed under the FLRT are subject to an aggregate limit equal to the assets held in the Collateral Trusts at any point in time. At inception, the Supplemental Trust contained the original $300.0 million of Series B Notes and $100.0 million of cash and fixed income securities. During 2017, in order to further support BAM’s long-term capital position and business prospects, HG Global agreed to contribute the original $203.0 million of Series A Notes into the Supplemental Trust. At the same time HG Global and BAM also changed the payment terms of the Series B Notes, so that payments reduce principal and accrued interest on a pro rata basis, consistent with the payment terms on the Series A Notes. The terms of the Series B Notes had previously stipulated that payments would first reduce interest owed, then reduce principal owed once all accrued interest had been paid. The New York State Department of Financial Services (“NYDFS”) approved the change during 2017. In connection with the contribution and change in payment terms of the Series B Notes, the Series A Notes were merged into the Series B Notes. On a monthly basis, BAM deposits cash equal to ceded premiums, net of ceding commissions, due to HG Re under the FLRT directly into the Regulation 114 Trust. The Regulation 114 Trust target balance is equal to gross ceded unearned premiums and unpaid ceded loss and LAE expenses, if any. If, at the end of any quarter, the Regulation 114 Trust balance is below the target balance, funds will be withdrawn from the Supplemental Trust and deposited into the Regulation 114 Trust in an amount equal to the shortfall. If, at the end of any quarter, the Regulation 114 Trust balance is above 102% of the target balance, funds will be withdrawn from the Regulation 114 Trust and deposited into the Supplemental Trust. The Supplemental Trust target balance is $603.0 million, less the amount of cash and securities in the Regulation 114 Trust in excess of its target balance (the “Supplemental Trust Target Balance”). If, at the end of any quarter, the Supplemental Trust balance exceeds the Supplemental Trust Target Balance, such excess may be distributed to HG Re. The distribution will be made first as an assignment of accrued interest on the BAM Surplus Notes and second in cash and/or fixed income securities. As the BAM Surplus Notes are repaid over time, the BAM Surplus Notes will be replaced in the Supplemental Trust by cash and fixed income securities. Effective January 1, 2014, HG Global and BAM agreed to change the interest rate on the BAM Surplus Notes for the five years ending December 31, 2018 from a fixed rate of 8.0% to a variable rate equal to the one-year U.S. treasury rate plus 300 basis points, set annually. In 2018, BAM exercised its option to extend the variable rate period for an additional three years and during 2020, the interest rate will be 4.6%. In January 2020, HG Global and BAM agreed to amend the BAM Surplus Notes to extend the end of the variable interest rate period until December 31, 2024. See Note 21 — “Subsequent Event”. At the end of the variable rate period, the interest rate will be fixed at the higher of the then current variable rate or 8.0%. BAM is required to seek regulatory approval to pay interest and principal on the BAM Surplus Notes only to the extent that its remaining qualified statutory capital and other capital resources continue to support its outstanding obligations, its business plan and its “AA/stable” rating from Standard & Poor’s. No payment of principal or interest on the BAM Surplus Notes may be made without the approval of the NYDFS. Under GAAP, if the terms of a debt instrument are amended, unless there is a greater than 10% change in the expected discounted future cash flows of such instrument, a change in the instrument’s carrying value is not permitted. White Mountains has determined that the impact of the changes to the terms of the BAM Surplus Notes on the expected discounted future cash flows was not greater than 10%. In December 2019, BAM made a $32.0 million cash payment of principal and interest on the BAM Surplus Notes held by HG Global. Of this payment, $23.7 million was a repayment of principal held in the Supplemental Trust, $0.3 million was a payment of accrued interest held in the Supplemental Trust and $8.0 million was a payment of accrued interest held outside the Supplemental Trust. During 2018, BAM made a $23.0 million cash payment of principal and interest on the BAM Surplus Notes. Of this payment, $17.7 million was a repayment of principal held in the Supplemental Trust, $0.7 million was a payment of accrued interest held in the Supplemental Trust and $4.6 million was a payment of accrued interest held outside the Supplemental Trust. During 2017, BAM made a $5.0 million cash payment principal and interest on the BAM Surplus Notes. Of this payment, $4.0 million was a repayment of principal held in the Supplemental Trust, $0.1 million was a payment of accrued interest held in the Supplemental Trust and $0.9 million was a payment of accrued interest held outside the Supplemental Trust. As of December 31, 2019 and 2018, the Collateral Trusts held assets of $786.7 million and $757.4 million, which included $457.6 million and $481.3 million of BAM Surplus Notes. As of December 31, 2019 and 2018, HG Global has accrued $162.7 million and $143.7 million of interest receivable on the BAM Surplus Notes. The following table presents a schedule of BAM’s insured obligations as of December 31, 2019 and 2018:
|  | December 31, 2019 |  | December 31, 2018
Contracts outstanding |  | 8,987 |  |  | 7,525 |
Remaining weighted average contract period (in years) |  | 10.7 |  |  | 10.7 |
Contractual debt service outstanding (in millions): |  |  |  |
Principal |  | $ | 62,250.5 |  |  | $ | 52,201.6 |
Interest and capital appreciation |  | 31,799.7 |  |  | 26,560.3 |
Total debt service outstanding |  | $ | 94,050.2 |  |  | $ | 78,761.9 |
Gross unearned insurance premiums |  | $ | 198.4 |  |  | $ | 176.0 |
The following table presents a schedule of BAM’s future premium revenues as of December 31, 2019:
Millions |  | December 31, 2019
January 1, 2020 - March 31, 2020 |  | $ | 4.8 |
April 1, 2020 - June 30, 2020 |  | 4.8 |
July 1, 2020 - September 30, 2020 |  | 4.6 |
October 1, 2020 - December 31, 2020 |  | 4.5 |
|  | 18.7 |
2021 |  | 17.3 |
2022 |  | 16.3 |
2023 |  | 15.2 |
2024 |  | 14.2 |
2025 and thereafter |  | 116.7 |
Total gross unearned insurance premiums |  | $ | 198.4 |
The following table presents a schedule of net written premiums and net earned premiums included in White Mountains’s HG Global/BAM segment for the years ended December 31, 2019, 2018 and 2017:
Millions |  | December 31, 2019 |  | December 31, 2018 |  | December 31, 2017
Written premiums: |  |  |  |  |  |
Direct |  | $ | 28.1 |  |  | $ | 44.8 |  |  | $ | 63.2 |
Assumed |  | 10.6 |  |  | 8.1 |  |  | — |
Gross written premiums |  | $ | 38.7 |  |  | $ | 52.9 |  |  | $ | 63.2 |
Earned premiums: |  |  |  |  |  |
Direct |  | $ | 13.6 |  |  | $ | 13.6 |  |  | $ | 9.4 |
Assumed |  | 2.7 |  |  | .3 |  |  | — |
Gross earned premiums |  | $ | 16.3 |  |  | $ | 13.9 |  |  | $ | 9.4 |
In April 2018, BAM entered into a collateralized financial guarantee excess of loss reinsurance agreement with Fidus Re, Ltd. (“Fidus Re”), a Bermuda based special purpose insurer created solely to provide reinsurance protection to BAM. Fidus Re was capitalized by the issuance of $100.0 million of insurance linked securities. The proceeds from issuance were placed in a collateral trust supporting Fidus Re’s obligations to BAM. The insurance linked securities were issued by Fidus Re with an initial term of twelve years and are callable five years after the date of issuance. Fidus Re reinsures 90% of aggregate losses exceeding $165.0 million on a portion of BAM’s financial guarantee portfolio up to a total reimbursement of $100.0 million. The aggregate loss limit under the agreement is $276.1 million. The agreement is accounted for using deposit accounting and any related financing expenses are recorded in general and administrative expenses as the agreement does not meet the risk transfer requirements necessary to be accounted for as reinsurance. In September 2019, BAM entered into facultative quota share reinsurance agreements under which it assumed a portfolio of municipal bond guarantee contracts with a par value of $1.1 billion. In November 2018, BAM entered into a 100% quota share facultative reinsurance agreement under which it assumed a portfolio of municipal bond guarantee contracts with a par value of $2.2 billion. None of the contracts assumed were non-performing and no loss reserves have been established for any of the contracts, either as of the transaction dates or as of December 31, 2019. The agreement, which covers future claims exposure only, meets the risk transfer criteria under ASC 944-20, Insurance Activities and accordingly has been accounted for as reinsurance.

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- Definition The entire disclosure for financial guarantee insurance contracts (as defined) issued by the entity. Such disclosure is intended to enable users of the financial information to understand the factors affecting the present and future recognition and measurement of the entity's financial guarantee insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -URI http://asc.fasb.org/topic&trid=2303980 + Details
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