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v3.22.1

Segment Information - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | $ 117.8 | $ 83.6
Other Revenue | 231.1 | 94.6
Total revenues | 348.9 | 178.2
Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other Revenue | (31.3) | (6.7)
Total revenues | (31.3) | (6.7)
Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other Revenue | 175.7 | 109.1
Total revenues | 175.7 | 109.1
NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 88.5 | 74.8
Other Revenue | 0.0 | 0.0
Total revenues | 88.5 | 74.8
Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other Revenue | 34.9 | 24.1
Total revenues | 34.9 | 24.1
Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 29.3 | 8.8
Other Revenue | 51.8 | (31.9)
Total revenues | 81.1 | (23.1)
United Kingdom |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 12.6 | 13.1
United Kingdom | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
United Kingdom | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
United Kingdom | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 12.6 | 13.1
United Kingdom | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
United Kingdom | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Specialty Transportation |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 26.5 | 20.7
Specialty Transportation | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Specialty Transportation | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Specialty Transportation | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 26.5 | 20.7
Specialty Transportation | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Specialty Transportation | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Pet |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 23.4 | 17.1
Pet | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Pet | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Pet | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 23.4 | 17.1
Pet | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Pet | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Real Estate |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 10.5 | 9.8
Real Estate | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Real Estate | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Real Estate | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 10.5 | 9.8
Real Estate | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Real Estate | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Social Services |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 7.0 | 6.7
Social Services | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Social Services | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Social Services | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 7.0 | 6.7
Social Services | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Social Services | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Diversified B2B |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 8.5 | 7.4
Diversified B2B | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Diversified B2B | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Diversified B2B | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 8.5 | 7.4
Diversified B2B | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Diversified B2B | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 2.9 | 2.3
Other | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Other | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 2.9 | 2.3
Total commission and other revenue |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 91.4 | 77.1
Total commission and other revenue | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Total commission and other revenue | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Total commission and other revenue | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 88.5 | 74.8
Total commission and other revenue | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Total commission and other revenue | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 2.9 | 2.3
Product and service revenues |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 26.4 | 6.5
Product and service revenues | Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Product and service revenues | Ark |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Product and service revenues | NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Product and service revenues | Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | 0.0 | 0.0
Product and service revenues | Other Operations |  |
Segment Reporting Information [Line Items] |  |
Revenues from contracts with customers | $ 26.4 | $ 6.5

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