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Schedule IV - Reinsurance
12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Schedule IV - Reinsurance
Schedule IV—Reinsurance

Insurance Premiums Earned

Years Ended December 31, 2022, 2021 and 2020
($ in thousands)Gross AmountCeded to Other CompaniesAssumed from Other CompaniesNet AmountAssumed Premiums as a Percentage of Net Premiums
2022950,200 (107,673)— 842,527 0.0 %
2021983,457 (110,914)— 872,543 0.0 %
2020951,302 (88,738)— 862,564 0.0 %