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Operating and Reporting Segments (Narrative) (Details) - USD ($)
3 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Nov. 30, 2022
Doma Holdings, Inc      
Segment Reporting Information [Line Items]      
Unconsolidated entities ownership percentage 25.00%    
Financial Services | Loss origination liability      
Segment Reporting Information [Line Items]      
Loan origination liabilities $ 12,100,000   $ 11,800,000
Financial Services | Warehouse Repurchase Facility      
Segment Reporting Information [Line Items]      
Collateral percentage 80.00%    
CMBS | Financial Services      
Segment Reporting Information [Line Items]      
Impairment charges for CMBS securities $ 0 $ 0