Quarterly report pursuant to Section 13 or 15(d)

WAREHOUSE LINES OF CREDIT - Summary of Warehouse Lines of Credit (Details)

v3.22.2.2
WAREHOUSE LINES OF CREDIT - Summary of Warehouse Lines of Credit (Details) - Warehouse Agreement Borrowings - Line of Credit - USD ($)
 1 Months Ended 9 Months Ended
Nov. 04, 2022
Sep. 30, 2022
Dec. 31, 2021
Warehouse Lines of Credit [Line Items]      
Warehouse lines of credit   $ 821,826,000 $ 1,928,543,000
Prepaid commitment fees   (1,934,000) (1,065,000)
Total   819,892,000 1,927,478,000
Master Repurchase Facility Agreement, $600 Million, Due January 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   600,000,000  
Warehouse lines of credit   67,594,000 472,646,000
Master Repurchase Facility Agreement, $150 Million, Due August 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   150,000,000  
Warehouse lines of credit   25,979,000 147,750,000
Minimum deposit required for line of credit   750,000  
Master Repurchase Facility Agreement, $400 Million, Due March 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   400,000,000  
Warehouse lines of credit   253,963,000 295,444,000
Minimum deposit required for line of credit   2,000,000  
Master Repurchase Facility Agreement, $400 Million, Due March 2023 | Subsequent Event      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity $ 300,000,000    
Minimum deposit required for line of credit $ 1,500,000    
Master Repurchase Facility Agreement, $200 Million, Due May 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   200,000,000  
Warehouse lines of credit   $ 17,853,000 146,182,000
Master Repurchase Facility Agreement, $200 Million, Due May 2023 | SOFR      
Warehouse Lines of Credit [Line Items]      
Line of credit, floor interest rate   0.25%  
Master Repurchase Facility Agreement, $200 Million, Due September 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 200,000,000  
Warehouse lines of credit   $ 50,158,000 133,772,000
Master Repurchase Facility Agreement, $200 Million, Due September 2023 | SOFR      
Warehouse Lines of Credit [Line Items]      
Line of credit, floor interest rate   0.40%  
Master Repurchase Facility Agreement, $400 Million, Due June 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 400,000,000  
Warehouse lines of credit   $ 160,253,000 377,416,000
Master Repurchase Facility Agreement, $400 Million, Due June 2023 | SOFR      
Warehouse Lines of Credit [Line Items]      
Line of credit, floor interest rate   0.50%  
Master Repurchase Facility Agreement, $200 Million, Due April 2023      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 200,000,000  
Warehouse lines of credit   $ 77,395,000 117,935,000
Master Repurchase Facility Agreement, $200 Million, Due April 2023 | SOFR      
Warehouse Lines of Credit [Line Items]      
Line of credit, floor interest rate   0.25%  
Master Repurchase Facility Agreement, $100 Million. 30 Days From Written Notice      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 100,000,000  
Warehouse lines of credit   $ 43,388,000 136,173,000
Maturity, period from written notice   30 days  
Master Repurchase Facility Agreement, $75 Million, Due March 2025      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 75,000,000  
Warehouse lines of credit   $ 43,427,000 33,452,000
Stated interest rate   3.375%  
Maximum term of buyout transactions on facility   4 years  
Master Repurchase Facility Agreement, $200 Million      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 200,000,000  
Warehouse lines of credit   0 26,947,000
Master Repurchase Facility Agreement, $300 Million      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   300,000,000  
Warehouse lines of credit   $ 81,816,000 35,099,000
Master Repurchase Facility Agreement, $300 Million | SOFR      
Warehouse Lines of Credit [Line Items]      
Line of credit, floor interest rate   0.75%  
Master Repurchase Facility Agreement, $75 Million      
Warehouse Lines of Credit [Line Items]      
Borrowing capacity   $ 75,000,000  
Warehouse lines of credit   $ 0 $ 5,727,000