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Debt - Summary of Mortgage Warehouse Borrowings (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Line of Credit Facility [Line Items]    
Amount Drawn $ 146,334 $ 306,072
Facility Amount 350,000 495,000
Secured Debt    
Line of Credit Facility [Line Items]    
Restricted cash and investments, current 6,700 2,100
Secured Debt | Warehouse A    
Line of Credit Facility [Line Items]    
Amount Drawn 39,608 29,066
Facility Amount $ 60,000 $ 60,000
Collateral Mortgage Loans Mortgage Loans
Secured Debt | Warehouse B    
Line of Credit Facility [Line Items]    
Amount Drawn $ 27,747 $ 94,258
Facility Amount $ 75,000 $ 150,000
Collateral Mortgage Loans Mortgage Loans
Secured Debt | Warehouse C    
Line of Credit Facility [Line Items]    
Amount Drawn $ 31,614 $ 53,607
Facility Amount $ 75,000 $ 75,000
Collateral Mortgage Loans & Pledged Cash Mortgage Loans & Restricted Cash
Secured Debt | Warehouse D    
Line of Credit Facility [Line Items]    
Amount Drawn $ 17,077 $ 83,259
Facility Amount $ 70,000 $ 140,000
Collateral Mortgage Loans Mortgage Loans
Secured Debt | Warehouse E    
Line of Credit Facility [Line Items]    
Amount Drawn $ 30,288 $ 45,882
Facility Amount $ 70,000 $ 70,000
Collateral Mortgage Loans Mortgage Loans
Secured Overnight Financing Rate (SOFR) | Secured Debt | Warehouse A    
Line of Credit Facility [Line Items]    
Interest rate 1.70% 1.70%
Secured Overnight Financing Rate (SOFR) | Secured Debt | Warehouse C    
Line of Credit Facility [Line Items]    
Interest rate 1.65% 1.65%
Secured Overnight Financing Rate (SOFR) | Secured Debt | Warehouse D    
Line of Credit Facility [Line Items]    
Interest rate 1.50% 1.50%
Secured Overnight Financing Rate (SOFR) | Secured Debt | Warehouse E    
Line of Credit Facility [Line Items]    
Interest rate 1.60% 1.60%
Bloomberg Short Term Bank Yield Index (BSBY) [Member] | Secured Debt | Warehouse B    
Line of Credit Facility [Line Items]    
Interest rate 1.65% 1.65%
Mortgage loans    
Line of Credit Facility [Line Items]    
Mortgage loans held for sale $ 186,200 $ 346,400