Reserves for Insurance Claims and Claim Expenses - Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Details) - Financial Guarantee Insurance Product Line |
Dec. 31, 2019 |
|---|---|
| Average annual percentage payout of incurred claims and allocated claims adjustment expenses by age, net of reinsurance | |
| Year 1 | 3.00% |
| Year 2 | 38.00% |
| Year 3 | 91.00% |
| Year 4 | 96.00% |
| Year 5 | 95.00% |
| Year 6 | 100.00% |