Summary of Significant Accounting Policies - Performance Obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01	Dec. 31, 2023
General Insurance Group [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Title Insurance Group [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year