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Mortgage Loans Held for Sale and Warehouse Lines of Credit - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jul. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Short-Term Debt [Line Items]      
Cash remitted directly to lender $ 98,400    
Proceeds from sale of mortgage loans held for sale 14,800 $ 3,042,526 $ 12,035,915
Collateral Pledged      
Short-Term Debt [Line Items]      
Average days loans held for sale   22 days 18 days
Uncollateralized | Company-funded LHFS      
Short-Term Debt [Line Items]      
Total sales price of LHFS $ 113,200    
Warehouse Agreement Borrowings      
Short-Term Debt [Line Items]      
Weighted average interest rate (as a percent)   7.43% 6.00%
Compensating balances   $ 18,800 $ 15,000